O'Farrell
O'Farrell is a surname of Irish Gaelic origin. Bearers include:
- Barry O'Farrell, Australian politician
- Bernadette O'Farrell, Irish actress
- Bob O'Farrell, baseball player
- Brett O'Farrell, several people
- Conor O'Farrell, American television actor
- Derek O'Farrell, Canadian rower
- Elizabeth O'Farrell, Irish nurse and revolutionary
- Emer O'Farrell, Irish camogie player, and marketing executive
- Finola O'Farrell, British high court judge and barrister
- Francis Fergus O'Farrell, Irish soldier of the seventeenth century
- Frank O'Farrell, former Irish soccer player and manager
- Henry O'Farrell, Australian/Irish attempted assassin
- Jasper O'Farrell, Irish-American surveyor and politician
- John O'Farrell, several people
- Josh O'Farrell, American politician, Member of the Ohio House of Representatives
- Lauren O'Farrell, British artist
- Luke O'Farrell, Irish hurler
- Maggie O'Farrell, British novelist
- Maud O'Farrell Swartz, American labor leader
- Maureen O'Farrell, British actress
- Michael O'Farrell, several people
- Mitch O'Farrell, American politician, member of the Los Angeles City Council
- Patrick O'Farrell, Australian/Irish Roman Catholic historian
- Patrick H. O'Farrell, inventor of two dimensional electrophoresis
- Pierre O'Farrell, American actor
- Richard O'Farrell, 17th-century Irish soldier
- Richard O'Farrell, British Army officer, Colonel of the 22nd Regiment of Foot
- Séamus O'Farrell, Irish politician, member of Seanad Éireann
- Seánie O'Farrell, Irish hurler
- Tadeo O'Farrell, Roman Catholic prelate, Bishop of Clonfert
- Talbot O'Farrell, stage name of an English music hall singer and film actor
- Ursula O'Farrell, Irish author and counsellor
As a place name, O'Farell can refer to: