OAC
# OAC

OAC or OAc may refer to:

## Organizations

* Objectivist Academic Center, an educational institution founded by the Ayn Rand Institute
* Ohio Arts Council
* Ohio Athletic Conference, an NCAA Division III athletic conference
* On Athletics Club, a professional group of long distance runners
* One America Committee
* Online Archive of California
* Ontario Agricultural College
* Ontario Arts Council
* Orthodox Anglican Church, a denomination of the Continuing Anglican movement in America, part of the Orthodox Anglican Communion
* Orthodox Anglican Communion, a worldwide Continuing Anglican body of which the Orthodox Anglican Church is a part

## Other

* Acetoxy group (OAc), a chemical functional group
* Object Action Complex
* Oral anti-coagulant
* Ontario Academic Credit
* Amtrak station code for Oakland Coliseum Station
* Olivetolic acid cyclase, an enzyme
