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                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549


                                  SCHEDULE 13D
                                 (Rule 13d-101)

                               (Amendment No. 16)

                         ------------------------------

                              TELECOM ITALIA S.P.A.
                                (Name of Issuer)


ORDINARY SHARES OF EURO 0.55 PAR VALUE EACH                    87927W10
      (Title of class of securities)                        (CUSIP number)


                           ALEXANDER ROSENZWEIG, ESQ.
                     VICE PRESIDENT AND CHIEF LEGAL OFFICER
                           PIRELLI NORTH AMERICA, INC.
                              246 STONERIDGE DRIVE
                                    SUITE 400
                         COLUMBIA, SOUTH CAROLINA 29210
                                 (803) 951-1040

                                 WITH A COPY TO:

                              ELLEN J. ODONER, ESQ.
                           WEIL, GOTSHAL & MANGES LLP
                                767 FIFTH AVENUE
                            NEW YORK, NEW YORK 10153
                                 (212) 310-8000
            (Name, address and telephone number of person authorized
                     to receive notices and communications)


                                 MARCH 12, 2003
             (Date of event which requires filing of this statement)


If the filing person has previously filed a statement on Schedule 13G to report
the acquisition that is the subject of this Schedule 13D, and is filing this
schedule because of Rule 13d-1(e), 13d-1(f) or 13d-1(g), check the following box
[ ].

           Note: Schedules filed in paper format shall include a signed original
           and five copies of the schedule, including all exhibits. See Rule
           13d-7 for other parties to whom copies are to be sent.

                         (Continued on following pages)

                               (Page 1 of 6 Pages)




-----------------------------------------------------------------------                ---------------------------------------------
CUSIP No.  87927W10                                                          13D                                      Page 2 of 6
-----------------------------------------------------------------------                ---------------------------------------------
                              
----------------------------     ---------------------------------------------------------------------------------------------------
             1                   NAME OF REPORTING PERSON                                 PIRELLI S.p.A.
                                 I.R.S. IDENTIFICATION NO. Not Applicable OF
                                 ABOVE PERSON
----------------------------     ---------------------------------------------------------------------------------------------------
             2                   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP:                                   (a) [X]
                                                                                                                     (b) [ ]
----------------------------     ---------------------------------------------------------------------------------------------------
             3                   SEC USE ONLY
----------------------------     ---------------------------------------------------------------------------------------------------
             4                   SOURCE OF FUNDS:                                                             BK, WC
----------------------------     ---------------------------------------------------------------------------------------------------
             5                   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e):
                                                                                                                            [ ]
----------------------------     ---------------------------------------------------------------------------------------------------
             6                   CITIZENSHIP OR PLACE OF ORGANIZATION:                                               Italy
----------------------------     ---------------------------------------------------------------------------- ----------------------
                                           7                SOLE VOTING POWER:                                        0
          NUMBER OF
           SHARES

        BENEFICIALLY
          OWNED BY

            EACH
          REPORTING

         PERSON WITH
                                 ----------------------     ------------------------------------------------------------------------
                                           8                SHARED VOTING POWER:                                2,891,656,682
                                                                                                                (See Item 5)
                                 ----------------------     ------------------------------------------------------------------------
                                           9                SOLE DISPOSITIVE POWER:                                   0

                                 ----------------------     ------------------------------------------------------------------------
                                          10                SHARED DISPOSITIVE POWER:                           2,891,656,682
                                                                                                                (See Item 5)
----------------------------     ---------------------------------------------------------------------------------------------------
            11                   AGGREGATE AMOUNT BENEFICIALLY OWNED BY REPORTING PERSON:                       2,891,656,682
                                                                                                                (See Item 5)
----------------------------     ---------------------------------------------------------------------------------------------------
            12                   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES:
                                                                                                                      [ ]
----------------------------     ---------------------------------------------------------------------------------------------------
            13                   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11):                                54.96%
                                                                                                                 (See Item 5)
----------------------------     ---------------------------------------------------------------------------------------------------
            14                   TYPE OF REPORTING PERSON:                                       CO
----------------------------     ---------------------------------------------------------------------------------------------------






                                       2

-----------------------------------------------------------------------                ---------------------------------------------
CUSIP No.  87927W10                                                          13D                                  Page 3 of 6
-----------------------------------------------------------------------                ---------------------------------------------

----------------------------     ---------------------------------------------------------------------------------------------------
             1                   NAME OF REPORTING PERSON                                 Olimpia S.p.A.
                                 I.R.S. IDENTIFICATION NO. Not Applicable OF
                                 ABOVE PERSON
----------------------------     ---------------------------------------------------------------------------------------------------
             2                   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP:                                  (a) [X]
                                                                                                                    (b) [ ]
----------------------------     ---------------------------------------------------------------------------------------------------
             3                   SEC USE ONLY
----------------------------     ---------------------------------------------------------------------------------------------------
             4                   SOURCE OF FUNDS:                                                             WC
----------------------------     ---------------------------------------------------------------------------------------------------
             5                   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e):
                                                                                                                            [ ]
----------------------------     ---------------------------------------------------------------------------------------------------
             6                   CITIZENSHIP OR PLACE OF ORGANIZATION:                                             Italy
----------------------------     ---------------------------------------------------------------------------------------------------
                                           7                SOLE VOTING POWER:                                       0
          NUMBER OF
           SHARES

        BENEFICIALLY
          OWNED BY

            EACH
          REPORTING

         PERSON WITH
                                 ----------------------     ------------------------------------------------- ----------------------
                                           8                SHARED VOTING POWER:                                See Item 5

                                 ----------------------     ------------------------------------------------- ----------------------
                                           9                SOLE DISPOSITIVE POWER:                                  0

                                 ----------------------     ------------------------------------------------- ----------------------
                                          10                SHARED DISPOSITIVE POWER:                           See Item 5

----------------------------     ---------------------------------------------------------------------------------------------------
            11                   AGGREGATE AMOUNT BENEFICIALLY OWNED BY REPORTING PERSON:                       See Item 5
----------------------------     ---------------------------------------------------------------------------------------------------
            12                   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES:
                                                                                                                     [ ]
----------------------------     ---------------------------------------------------------------------------------------------------
            13                   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11):                            See Item 5
----------------------------     ---------------------------------------------------------------------------------------------------
            14                   TYPE OF REPORTING PERSON:                                       CO
----------------------------     ---------------------------------------------------------------------------------------------------






                                       3

                     This Amendment No. 16 amends the Statement on Schedule 13D
dated August 9, 2001, as amended (as previously amended, the "Statement on
Schedule 13D"), filed by Pirelli S.p.A., a company incorporated under the laws
of the Republic of Italy ("Pirelli"), and, commencing with Amendment No. 1
thereto, Olimpia S.p.A., a company incorporated under the laws of the Republic
of Italy (the "Purchaser" or "Olimpia"), with respect to the ordinary shares,
euro 0.55 par value per share, of Telecom Italia S.p.A., a company incorporated
under the laws of the Republic of Italy. Capitalized terms used in this
Amendment without definition have the meanings ascribed to them in the Statement
on Schedule 13D.

                     Pirelli, Olimpia, Edizione Holding, Edizione Finance, UCI,
BCI and, as discussed in Items 4 and 6 of Amendment No. 14 to the Statement on
Schedule 13D, Hopa are members of a group with respect to the Telecom Italia
Shares. This Amendment constitutes a separate filing on Schedule 13D by Pirelli
and Olimpia in accordance with Rule 13d-1(k)(2) under the Securities Exchange
Act of 1934. Pirelli and Olimpia are responsible solely for the information
contained in their separate filing, except that information contained in the
Statement on Schedule 13D concerning any director or officer of Olimpia
nominated by Edizione Holding, UCI, BCI or Hopa has been provided by the
nominating person.

ITEM 2.  IDENTITY AND BACKGROUND

On March 12, 2003, each of Pirelli and Pirelli & C announced that their
respective Boards of Directors had approved of a plan to merge each of Pirelli
and Pirelli-Lux into Pirelli & C (the "Pirelli Merger"). A copy of a joint press
release issued by Pirelli and Pirelli & C concerning the Pirelli Merger is filed
as Exhibit 42.

ITEM 4.  PURPOSE OF TRANSACTION

On March 12, 2003, each of Olivetti and Telecom Italia announced that their
respective Boards of Directors had approved of a plan to merge Telecom Italia
into Olivetti (the "Olivetti Merger"). A copy of a joint press release issued by
Olivetti and Telecom Italia concerning the Olivetti Merger is filed as Exhibit
43.

ITEM 7.  MATERIAL TO BE FILED AS EXHIBITS

           42.        Joint Press Release, dated March 12, 2003, issued by
                      Pirelli and Pirelli & C.

           43.        Joint Press Release, dated March 12, 2003, issued by
                      Olivetti and Telecom Italia.



                                       4

                                   SIGNATURES

                     After reasonable inquiry and to the best knowledge and
belief of the undersigned, the undersigned certify that the information set
forth in this statement is true, complete and correct.


Date: March 14, 2003

                             PIRELLI S.p.A.

                             By: /s/ Anna Chiara Svelto
                                 -------------------------------------------
                                 Name: Anna Chiara Svelto
                                 Title: Attorney-in-fact





                             OLIMPIA S.p.A.

                             By: /s/ Luciano Gobbi
                                 -------------------------------------------
                                 Name: Luciano Gobbi
                                 Title: Director and Attorney-in-fact












                                       5

                                  EXHIBIT INDEX


       Exhibit No.

           42.        Joint Press Release, dated March 12, 2003, issued by
                      Pirelli and Pirelli & C.

           43.        Joint Press Release, dated March 12, 2003, issued by
                      Olivetti and Telecom Italia.





















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