    <SEC-DOCUMENT>0001104659-19-075348-index.html : 20191223
    <SEC-HEADER>0001104659-19-075348.hdr.sgml : 20191223
    <ACCEPTANCE-DATETIME>20191223100624
    ACCESSION NUMBER:		0001104659-19-075348
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		16
    CONFORMED PERIOD OF REPORT:	20191220
    ITEM INFORMATION:		Submission of Matters to a Vote of Security Holders
    ITEM INFORMATION:		Other Events
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20191223
    DATE AS OF CHANGE:		20191223

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			ACNB CORP
    		CENTRAL INDEX KEY:			0000715579
    		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
    		IRS NUMBER:				232233457
    		STATE OF INCORPORATION:			PA
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-35015
    		FILM NUMBER:		191303764

    	BUSINESS ADDRESS:
    		STREET 1:		16 LINCOLN SQUARE
    		STREET 2:		P O BOX 3129
    		CITY:			GETTYSBURG
    		STATE:			PA
    		ZIP:			17325
    		BUSINESS PHONE:		7173343161

    	MAIL ADDRESS:
    		STREET 1:		P O BOX 3129
    		STREET 2:		16 LINCOLN SQUARE
    		CITY:			GETTYSBURG
    		STATE:			PA
    		ZIP:			17325
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>tm1926698d1_8k.htm
    <DESCRIPTION>FORM 8-K
    <TEXT>
    Document 1 - file: tm1926698d1_8k.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>tm1926698d1_ex99-1.htm
    <DESCRIPTION>EXHIBIT 99.1
    <TEXT>
    Document 2 - file: tm1926698d1_ex99-1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>tm1926698d1_ex99-2.htm
    <DESCRIPTION>EXHIBIT 99.2
    <TEXT>
    Document 3 - file: tm1926698d1_ex99-2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>tm1926698d1_ex99-1img001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: tm1926698d1_ex99-1img001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>tm1926698d1_ex99-1img002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: tm1926698d1_ex99-1img002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>tm1926698d1_ex99-1img003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: tm1926698d1_ex99-1img003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>tm1926698d1_ex99-1img004.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: tm1926698d1_ex99-1img004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>tm1926698d1_ex99-1img005.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: tm1926698d1_ex99-1img005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>tm1926698d1_ex99-1img006.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: tm1926698d1_ex99-1img006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>tm1926698d1_ex99-1img007.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: tm1926698d1_ex99-1img007.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>tm1926698d1_ex99-1img008.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: tm1926698d1_ex99-1img008.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>tm1926698d1_ex99-1img009.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: tm1926698d1_ex99-1img009.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>tm1926698d1_ex99-1img010.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: tm1926698d1_ex99-1img010.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>tm1926698d1_ex99-1img011.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: tm1926698d1_ex99-1img011.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>tm1926698d1_ex99-1img012.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: tm1926698d1_ex99-1img012.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>tm1926698d1_ex99-2img001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: tm1926698d1_ex99-2img001.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>