    <SEC-DOCUMENT>0001140361-18-010085-index.html : 20180226
    <SEC-HEADER>0001140361-18-010085.hdr.sgml : 20180226
    <ACCEPTANCE-DATETIME>20180226135153
    ACCESSION NUMBER:		0001140361-18-010085
    CONFORMED SUBMISSION TYPE:	S-3ASR
    PUBLIC DOCUMENT COUNT:		10
    FILED AS OF DATE:		20180226
    DATE AS OF CHANGE:		20180226
    EFFECTIVENESS DATE:		20180226

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			AMERICAN FINANCIAL GROUP INC
    		CENTRAL INDEX KEY:			0001042046
    		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
    		IRS NUMBER:				311544320
    		STATE OF INCORPORATION:			OH
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		S-3ASR
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-223216
    		FILM NUMBER:		18639870

    	BUSINESS ADDRESS:
    		STREET 1:		GREAT AMERICAN INSURANCE GROUP TOWER
    		STREET 2:		301 E. 4TH STREET
    		CITY:			CINCINNATI
    		STATE:			OH
    		ZIP:			45202
    		BUSINESS PHONE:		5135792121

    	MAIL ADDRESS:
    		STREET 1:		GREAT AMERICAN INSURANCE GROUP TOWER
    		STREET 2:		301 E. 4TH STREET
    		CITY:			CINCINNATI
    		STATE:			OH
    		ZIP:			45202

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	AMERICAN FINANCIAL GROUP HOLDINGS INC
    		DATE OF NAME CHANGE:	19970709
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>S-3ASR
    <SEQUENCE>1
    <FILENAME>s002071x1_s3asr.htm
    <DESCRIPTION>S-3ASR
    <TEXT>
    Document 1 - file: s002071x1_s3asr.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-5
    <SEQUENCE>2
    <FILENAME>s002071x1_ex5.htm
    <DESCRIPTION>EXHIBIT 5
    <TEXT>
    Document 2 - file: s002071x1_ex5.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-23.1
    <SEQUENCE>3
    <FILENAME>s002071x1_ex23-1.htm
    <DESCRIPTION>EXHIBIT 23.1
    <TEXT>
    Document 3 - file: s002071x1_ex23-1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-25.1
    <SEQUENCE>4
    <FILENAME>s002071x1_ex25-1.htm
    <DESCRIPTION>EXHIBIT 25.1
    <TEXT>
    Document 4 - file: s002071x1_ex25-1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-25.2
    <SEQUENCE>5
    <FILENAME>s002071x1_ex25-2.htm
    <DESCRIPTION>EXHIBIT 25.2
    <TEXT>
    Document 5 - file: s002071x1_ex25-2.htm

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

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>s002071x1_ex5image001.jpg
    <TEXT>
    Document 7 - file: s002071x1_ex5image001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>s002071x1_ex5image002.jpg
    <TEXT>
    Document 8 - file: s002071x1_ex5image002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>s002071x1_ex25image001.jpg
    <TEXT>
    Document 9 - file: s002071x1_ex25image001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>s002071x1_ex25image002.jpg
    <TEXT>
    Document 10 - file: s002071x1_ex25image002.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>