FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person *   Romano Ellen R. 2. Date of Event Requiring Statement (Month/Day/Year) 07/26/2013 3. Issuer Name and Ticker or Trading Symbol ARMSTRONG WORLD INDUSTRIES INC [AWI] (Last) (First) (Middle) C/O 2500 COLUMBIA AVE 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) SVP, Human Resources 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) LANCASTER, PA 17603 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock 6,037 D Â

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Options	  (1)	03/02/2021	Common Stock	2,402	$ 35.57	D	Â
Stock Options	  (2)	02/28/2022	Common Stock	3,000	$ 43.21	D	Â
Stock Options	  (3)	02/20/2023	Common Stock	2,664	$ 51.76	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Romano Ellen R. C/O 2500 COLUMBIA AVE LANCASTER, PA 17603	Â	Â	  SVP, Human Resources	Â

Signatures

/s/ Christopher S. Parisi, Attorney-in-fact		07/31/2013
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	The options are non-qualified, have a ten-year term that began on March 2, 2011 and were previously granted under the Issuer's 2006 Long-Term Incentive Plan. 1,201 of such options are vested and the remaining options will vest on March 2, 2014 (contingent upon the Reporting Person's employment with the Issuer on the scheduled vesting date, except as provided for under the Issuer's 2006 Long-term Incentive Plan). Each stock option entitles the Reporting Person to purchase one share of Issuer's common stock at an exercise price equal to $35.57.
(2)	The options are non-qualified, have a ten-year term that began on February 28, 2012 and were previously granted under the Issuer's 2011 Long-Term Incentive Plan. 1,000 of such options are vested and the remaining options will vest as follows: 1,000 options on February 28, 2014 and 1,000 options on February 28, 2015 (contingent upon the Reporting Person's employment with the Issuer on the scheduled vesting date, except as provided for under the Issuer's 2011 Long-term Incentive Plan). Each stock option entitles the Reporting Person to purchase one share of Issuer's common stock at an exercise price equal to $43.21.
(3)	The options are non-qualified, have a ten-year term that began on February 20, 2013 and were previously granted under the Issuer's 2011 Long-Term Incentive Plan. The options will vest in three installments as follows: 888 options on February 20, 2014; 888 options on February 20, 2015; and 888 options on February 20, 2016 (contingent upon the Reporting Person's employment with the Issuer on the scheduled vesting date, except as provided for under the Issuer's 2011 Long-term Incentive Plan). Each stock option entitles the Reporting Person to purchase one share of Issuer's common stock at an exercise price equal to $51.76.

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