ABC1 is the main television channel from the Australian Broadcasting Corporation in Australia.

ABC1 may also refer to:

• ABC1 (United Kingdom), a television channel in the United Kingdom which closed in 2007
• ABC1, a group of NRS social grades used in the United Kingdom to refer to the middle classes
• ABCA1, a protein which in humans is encoded by the ABCA1 gene

See also

• U.S. British Staff Conference (ABC 1), a military plan during World War II