<SEC-DOCUMENT>0000846800-19-000001-index.html : 20190212
<SEC-HEADER>0000846800-19-000001.hdr.sgml : 20190212
<ACCEPTANCE-DATETIME>20190212143325
ACCESSION NUMBER:		0000846800-19-000001
CONFORMED SUBMISSION TYPE:	N-CSR
PUBLIC DOCUMENT COUNT:		10
CONFORMED PERIOD OF REPORT:	20181231
FILED AS OF DATE:		20190212
DATE AS OF CHANGE:		20190212
EFFECTIVENESS DATE:		20190212

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DREYFUS STOCK INDEX FUND, INC.
		CENTRAL INDEX KEY:			0000846800
		IRS NUMBER:				133537664
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		N-CSR
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-05719
		FILM NUMBER:		19589975

	BUSINESS ADDRESS:	
		STREET 1:		THE DREYFUS CORPORATION
		STREET 2:		200 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166
		BUSINESS PHONE:		2129226400

	MAIL ADDRESS:	
		STREET 1:		C/O DREYFUS CORP
		STREET 2:		200 PARK AVENUE, 7TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DREYFUS STOCK INDEX FUND INC
		DATE OF NAME CHANGE:	20020514

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DREYFUS LIFE & ANNUITY INDEX FUND INC
		DATE OF NAME CHANGE:	19920703
<SERIES-AND-CLASSES-CONTRACTS-DATA>
<EXISTING-SERIES-AND-CLASSES-CONTRACTS>
<SERIES>
<OWNER-CIK>0000846800
<SERIES-ID>S000001911
<SERIES-NAME>Dreyfus Stock Index Fund, Inc.
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000005028
<CLASS-CONTRACT-NAME>Dreyfus Stock Index Fund, Inc. - Initial Shares
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000005029
<CLASS-CONTRACT-NAME>Dreyfus Stock Index Fund, Inc. - Service Shares
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>N-CSR
<SEQUENCE>1
<FILENAME>lp1-763.htm
<DESCRIPTION>ANNUAL REPORT
<TEXT>
Document 1 - file: lp1-763.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CODE ETH
<SEQUENCE>2
<FILENAME>codeofethics-march2014.htm
<DESCRIPTION>CODE OF ETHICS
<TEXT>
Document 2 - file: codeofethics-march2014.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CERT
<SEQUENCE>3
<FILENAME>exhibit302-763.htm
<DESCRIPTION>CERTIFICATION REQUIRED BY RULE 30A-2
<TEXT>
Document 3 - file: exhibit302-763.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.906 CERT
<SEQUENCE>4
<FILENAME>exhibit906-763.htm
<DESCRIPTION>CERTIFICATION REQUIRED BY SECTION 906
<TEXT>
Document 4 - file: exhibit906-763.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>x19021212514800.jpg
<TEXT>
Document 6 - file: x19021212514800.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>x19021212514801.jpg
<TEXT>
Document 7 - file: x19021212514801.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>x19021212514900.jpg
<TEXT>
Document 8 - file: x19021212514900.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>x19021212514901.jpg
<TEXT>
Document 9 - file: x19021212514901.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>x19021212515800.jpg
<TEXT>
Document 10 - file: x19021212515800.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>x19021212515801.jpg
<TEXT>
Document 11 - file: x19021212515801.jpg

</DOCUMENT>
</SEC-DOCUMENT>