O'Connor

O'Connor or O'Conor may refer to:

People

 * O'Connor or O'Conor, an Irish clan
 * O'Connor Sligo, a royal dynasty ruling the northern part of the Kingdom of Connacht
 * O'Connor (surname), including a list of people with the surname

Places

 * Burdett O'Connor Province, a province in the Tarija Department in Bolivia
 * Division of O'Connor, a Western Australian electoral district in the Australian House of Representatives
 * O'Connor, Australian Capital Territory
 * O'Connor Island, Windmill Islands, Antarctica
 * O'Connor, Nebraska, U.S.
 * O'Connor, Ontario, Canada
 * O'Connor, Western Australia, suburb of Perth
 * Port O'Connor, Texas, U.S.

Other

 * O'Connor Airlines, a former South Australian airline
 * O'Connor Drive, Toronto, Canada
 * O'Connor v. Donaldson, a 1975 U.S. Supreme Court decision on the rights of mental health patients
 * O'Connor v. Ortega, a 1987 U.S. Supreme Court decision on the privacy rights of government employees at work
 * Sandra Day O'Connor High School (Arizona), Glendale, Arizona, U.S.
 * Sandra Day O'Connor High School (Helotes, Texas), U.S.
 * Senator O'Connor College School, Toronto, Canada