FILE NO. 2-69938

	SECURITIES AND EXCHANGE COMMISSION

	WASHINGTON, D.C. 20549
	                                        

	FORM N-1A
	                                        

	POST-EFFECTIVE AMENDMENT NO. 25

	To The

	REGISTRATION STATEMENT

	UNDER

	THE SECURITIES ACT OF 1933

	AND

	THE INVESTMENT COMPANY ACT OF 1940

	                                        

	       SMITH BARNEY MUNICIPAL MONEY MARKET FUND, INC.       
	(Exact name of Registrant as specified
	in the Declaration of Trust)

	388 Greenwich Street, New York, New York l0013
	(Address of principal executive offices)

	            (212) 816-6474               
	(Registrant's telephone number)

	Christina T. Sydor
	388 Greenwich Street, New York, New York l0013 (22nd Floor)
	(Name and address of agent for service)

	                             

	To amend Part  C 

	Rule 24f-2(a)(l) Declaration:

Registrant previously registered an indefinite number of its shares pursuant 
to Rule 24f-2 of the Investment Company Act of 1940, and Registrant filed its 
Rule 24f-2 Notice on May 26, 1994 for its most recent fiscal year ended March 
31, 1995.


It is proposed that this Post-Effective Amendment will become effective 
immediately upon filing pursuant to paragraph (b) of Rule 485.

	 



	CROSS REFERENCE SHEET
	(as required by Rule 495(a))



Part A of
Form N-1A	Location in Part A


l.	Cover Page				cover page

2.	Synopsis				"Fee Table"

3.	Condensed Financial Information.		"Financial Highlights"
		"Performance"

4.	General Description of Registrant		"Shares of the Fund"
							cover page
						"Investment Objective
						and Policies"
						"Risk and Portfolio 
						Management"

5.	Management of the Fund		"Investment Management and
					Distribution of Shares"
					"Purchase of Shares"
					"Financial Highlights"

6.	Capital Stock and Other Securities		"Shares of the Fund"
						"Redemption of Shares"
						cover page
						"Dividends, Automatic
						Reinvestment and Taxes"

7.	Purchase of Securities Being
	Offered					"Purchase of Shares"
						"Investment Management 
						and Distribution of Shares"
						"Determination of Net
							Asset Value" 	
						"Exchange Privileges"

8. Redemption or Repurchase			"Redemption of Shares"
						"Minimum Account Size"

9.	Pending Legal Proceedings		not applicable




Part B of	Statement of Additional
Form N-1A	Information Caption

10.	Cover page				cover page

11.	Table of Contents			"Table of Contents"

12.	General Information and History		not applicable

13.	Investment Objectives and Policies		"Repurchase Agreements"
						"Puts"
						See Prospectus-"Investment
						Objective and Policies"

14.	Management of the Fund			"Directors and Officers"

15.	Control Persons and Principal
	Holders of Securities			"Directors and Officers"
						See Prospectus - "Shares of 
						the Fund"

16.	Investment Advisory and
	Other Services				"Directors and Officers"
						"Management Agreement, Plan 
						of Distribution and Other 
							Services"
						"Custodian"
						"Independent Auditors"
						See Prospectus -
						"Investment Management and
						Distribution of Shares"
						"Fee Table"

17.	Brokerage Allocation			See Prospectus -
						"Investment Management and
						Distribution of Shares"

18.	Capital Stock and Other Securities		See Prospectus - "Shares of 
the
		Fund"
		"Voting Rights"

19.	Purchase, Redemption and Pricing
	of Securities Being Offered		See Prospectus - "Purchase
		 					of Shares"
						See Prospectus - 
						"Determination of
						Net Asset Value"
						"Determination of Net Asset 	
						Value and Amortized Cost 
						Valuation"
						"Financial Statements"

20.	Tax Status				See Prospectus - "Dividends, 
						Automatic Reinvestment and
						Taxes"


Part B of	Statement of Additional
Form N-1A	Information Caption

21.	Underwriters				See Prospectus - "Investment
				Management and Distribution of  Shares"

22.	Calculation of Performance Data		"Computation of Yield"

23.	Financial Statements			"Financial Statements"

Part C of
Form N-1A

Information required to be included in Part C is set forth under the 
appropriate item, so numbered in Part C of this Post-Effective Amendment.

Parts A and B to Post-Effective Amendment No. 24, which were filed with the 
Securities and Exchange Commission on behalf of the Registrant on July 28, 1995 
are hereby incorporated by reference in their entirety.



	PART C  Other Information

Item 24.	 Financial Statements and Exhibits


	(a) Financial Statements	

		Included in Part A:

	Financial Highlights

		Included in Part B:

	The Fund's Annual Report for the fiscal year ended March 31, 1995 and 
the Report of Independent Accountants dated May 8, 1995 is incorporated 
by reference to the Rule N-30D filing, Accession #: 0000091155-95-00138, 
made on June 16, 1995.

	The Fund's Semi-Annual Report for the period ended September 30, 1995 is 
incorporated by 	reference to the Rule N-30D filing, Accession #: 0000091155-
96-132, made on March 27, 1996.

	(b)	Exhibits

	(1)	(a)	Articles of Amendment dated March 31, 1981 are incorporated 
by reference to Exhibit 1(a) to Post-Effective Amendment No. 
14.
		
		(b)	Articles of Amendment and Restatement of Articles of 
Incorporation dated October 28, 1980 are incorporated by 
reference to Exhibit 1(b) to Post-Effective Amendment No. 14.

		(c)	Articles of Amendment dated July 22, 1991 are incorporated by 
reference to Exhibit 1(c) to Post-Effective No. 15.

		(d)	Articles of Amendment dated November 10, 1992.

		(e)	Articles Supplementary dated December 8, 1992.

	(2)	Bylaws of the Trust are incorporated by reference to Exhibit 2 to 
Post-Effective Amendment No. 11 to Registration Statement No. 2-
69938.

	(3)	Not applicable.

	(4)	Not applicable.

	(5)	Management Agreement between Registrant and Mutual Management Corp. 

	(6)	Underwriting Agreement between Registrant and Smith Barney, Harris 
Upham & Co. Incorporated is incorporated by reference to Exhibit 6  to 
Post-Effective Amendment No. 12.

	(7)	Not applicable.

	(8)	Custodian Agreement between Registrant and Provident National Bank 
is incorporated by reference to Exhibit 8 to Post-Effective Amendment No. 5.

	(9)	Transfer Agency Agreement between Registrant and Provident 
Financial Processing Corp. is incorporated by reference to Exhibit 9 to
Post-Effective Amendment No. 14.

	(10)	Not Applicable.

	(11)	(i)	Auditors' Report (see the Annual Report to Shareholders which 
is incorporated by reference in the Statement of Additional Information).
		(ii)	Auditors' Consent (see the Consent incorporated by reference 
to Exhibit 11(ii) to Post Effective Amendment No.24). 
			
	(12)	Not applicable.

	(13)	Subscription Agreement between Registrant and National Securities & 
Research Corporation is incorporated by reference to Exhibit 13 to 
Post-Effective Amendment No. 14.

	(14)	Not applicable.

	(15)	Plan of Distribution pursuant to Rule 12b-1 of Registrantis
incorporated by reference to Exhibit 15 to Post-Effective Amendment No. 23.

	(16)	Schedule of Computation of Performance Quotations is incorporated 
by reference to Exhibit 16 to Post-Effective Amendment No. 10.

	(18)	Plan Pursuant to Rule 18f-3 filed herewith.

Item 25.	Persons Controlled by or under Common Control with Registrant

	(None)

Item 26.	Number of Holders of Securities as of  March 15, 1996

	Class A securities       		5,251,642,650.480
	Class C securities		          483,777.350
	Class Y securities	   	5,252,126,427.830

Item 27.	Indemnification

	Reference is made to ARTICLE Eighth of Registrant's Articles of 
Incorporation for a complete statement of its terms.  Subparagraph (c) 
of Article EIGHTH provides:  "Notwithstanding the foregoing 
provisions, no officer or director of the Corporation shall be 
indemnified for or insured against any liability to the Corporation or 
its shareholders to which he would otherwise be subject by reason of 
wilful misfeasance, bad faith, gross negligence or reckless disregard 
of the duties involved in the conduct of his office.

	Registrant is a named assured on a joint insured bond pursuant to Rule 
17g-1 of the Investment Company Act of 1940.  Other assureds include 
Mutual Management Corp. (Registrant's Manager) and affiliated 
investment companies.

Item 28.	Business and other Connections of Investment Adviser
	
	See the material under the caption "Management" included in Part A 
(Prospectus) of this Registration Statement and the material appearing 
under the caption "Management Agreements" 	included in Part B 
(Statement of Additional Information) of this Registration Statement.

	Information as to the Directors and Officers of Smith Barney Mutual 
Funds Management Inc. is included in its Form ADV (File No. 801-8314), 
filed with the Commission, which is incorporated herein by reference 
thereto.




Item 29.	Principal Underwriters


(a) Smith Barney Inc. ("Smith Barney ") also acts 
as principal underwriter for Smith Barney Money 
Funds, Inc.; Smith Barney Muni Funds; Smith Barney 
Funds, Inc., Smith Barney Variable Account Funds; 
Smith Barney Intermediate Municipal Fund, Inc., 
Smith Barney Municipal Fund, Inc., High Income 
Opportunity Fund Inc., Smith Barney/Travelers 
Series Fund Inc., Smith Barney World Funds, Inc., 
Greenwich Street California Municipal Fund Inc., 
The Inefficient-Market Fund, Inc., Smith Barney 
Adjustable Rate Government Income Fund, Smith 
Barney Equity Funds, Smith Barney Income Funds, 
Smith Barney Massachusetts Municipals Fund, Zenix 
Income Fund Inc., Smith Barney Arizona Municipals 
Fund Inc., Smith Barney Principal Return Fund, 
Municipal High Income Fund Inc., The Trust for TRAK 
Investments, Smith Barney Series Fund, Smith Barney 
Income Trust,  Smith Barney Oregon Municipals Fund 
Inc., Smith Barney Municipal Money Market 
Fund,Inc., Smith Barney Aggressive Growth Fund 
Inc., Smith Barney Appreciation Fund Inc., Smith 
Barney California Municipals Fund Inc., Smith 
Barney Fundamental Value Fund Inc., Smith Barney 
Managed Governments Fund Inc., Smith Barney Managed 
Municipals Fund Inc., Smith Barney New Jersey 
Municipals Fund Inc., Smith Barney Natural 
Resources Fund Inc., Smith Barney Investment Funds 
Inc., Smith Barney FMA (R) Trust, The Italy Fund 
Inc., Smith Barney Telecommunications Trust, 
Managed Municipals Portfolio Inc., Managed 
Municipals Portfolio II Inc., Smith Barney Concert 
Series Inc.,Managed High Income Portfolio Inc. and 
Greenwich Street Municipal Fund Inc.;  USA  High 
Yield Fund N.V.; Smith Barney International 
Funds(Luxemburg); Smith Barney Worldwide Securities 
Limited  (Bermuda);   Smith   Barney  Worldwide  
Special   Fund N.V. (Netherlands, Antilles); Global Horizons Investment Series
(Cayman Islands).


Smith Barney, the distributor of Registrant's shares, is a wholly owned 
subsidiary of Travelers Group Inc.


	
	(b) The information required by this Item 29 with respect to each 
director and officer of Smith Barney is incorporated by reference to 
Schedule A of Form BD filed by Smith Barney pursuant to the 
Securities Exchange Act of 1934 (SEC File No. 8-8177)

	(c) Not applicable.

Item 30.	Location of Accounts and Records

	PNC Bank, National Association, 17th and Chestnut Streets, 
Philadelphia, Pennsylvania 19103, and First Data Investor Services 
Group, Inc., Exchange Place, Boston, Massachusetts 02108, will 
maintain the custodian and the shareholders servicing agent records, 
respectively required by Section 31(a).

	All other records required by Section 31(a) are maintained at the 
offices of the Registrant at 388 Greenwich Street, New York, New York 
10013 (and preserved for the periods specified by Rule 31a-2).


Item 31.	Management Services

	Not applicable.


Item 32.	Undertakings

	(a) Not applicable.

	SIGNATURES

     Pursuant to the requirements of the Securities Act of 1933 and the 
Investment Company Act of 1940, the Registrant certifies that it meets all of 
the requirements for effectiveness of this Post-Effective Amendment to the 
Registration Statement pursuant to Rule 485(b) under the Securities Act of 
1933 and has duly caused this Post-Effective Amendment to its Registration 
Statement to be signed on its behalf by the undersigned, and where applicable, 
the true and lawful attorney-in-fact, thereto duly authorized, in the City of 
New York and State of New York on the 27th day of March 1996.

				SMITH BARNEY MUNICIPAL MONEY MARKET FUND, INC.

							BY /s/ Heath B. McLendon        		
					    (Heath B. McLendon, Chief Executive Officer) 

     Pursuant to the requirements of the Securities Act of 1933, this Post-
Effective Amendment to the Registration Statement has been signed below by the 
following persons in the capacities and on the date indicated.

Signatures	Title		Date


/s/ Heath B. McLendon       	Director, Chairman and	3/27/96
(Heath B. McLendon)	Chief Executive Officer


/s/ Jessica M. Bibliowicz  	President and Director		3/27/96	
(Jessica M. BIbliowicz)	


Joseph  H. Fleiss*          	Director					
(Joseph H. Fleiss)


Donald R. Foley*          	Director				
(Donald R. Foley)

	                 	Director				
(Paul Hardin III)

Francis P. Martin*         	Director				
(Francis P. Martin)


Roderick C. Rasmussen *	Director				
(Roderick C. Rasmussen)





John P. Toolan*                 Director
(John P. Toolan)


C. Richard Youngdahl*   	Director				
(C. Richard Youngdahl)


/s/ Lewis E. Daidone        	Treasurer and Principal	3/27/96
(Lewis E. Daidone)	Financial Officer



*By:/s/ Christina T. Sydor				3/27/96						
      Christina T. Sydor
      Pursuant to Power of Attorney

	EXHIBIT INDEX



Exhibit No. 	Exhibit	Page No.

18	Rule 18f-3 Plan