Attached files

file filename
10-K - 10-K - ACNB CORPa2197180z10-k.htm
EX-31.1 - EXHIBIT 31.1 - ACNB CORPa2197180zex-31_1.htm
EX-32.2 - EXHIBIT 32.2 - ACNB CORPa2197180zex-32_2.htm
EX-10.7 - EXHIBIT 10.7 - ACNB CORPa2197180zex-10_7.htm
EX-10.6 - EXHIBIT 10.6 - ACNB CORPa2197180zex-10_6.htm
EX-32.1 - EXHIBIT 32.1 - ACNB CORPa2197180zex-32_1.htm
EX-31.2 - EXHIBIT 31.2 - ACNB CORPa2197180zex-31_2.htm

QuickLinks -- Click here to rapidly navigate through this document


EXHIBIT 21


Subsidiaries of the Registrant

        The Registrant has the following subsidiaries: Adams County National Bank, a national banking association; Russell Insurance Group, Inc., incorporated in the State of Maryland; and, BankersRe Insurance Group, SPC, organized in the Cayman Islands.




QuickLinks

Subsidiaries of the Registrant