Aberdeen is an unincorporated community and Census-designated place in Cass Township, Ohio County, in the U.S. state of Indiana.

The first settlement at Aberdeen was made in about 1814.

[4] It was named after Aberdeen, in Scotland.

[5] A post office was established at Aberdeen in 1852, and remained in operation until it was discontinued in 1880.

[6] Aberdeen is located off of Indiana State Road 56 at the intersection of Aberdeen Rd.