OAC

OAC or OAc may refer to:

Organizations

• Objectivist Academic CenterTemplate:Broken anchor, an educational institution founded by the Ayn Rand Institute
• Ocean Affairs Council, a government agency of Taiwan
• 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
• Orange Association Canada, the Canadian branch of the Orange Order
• 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