Treanor

Treanor may refer to:
 * Conor James Treanor (born 1998), English Actor
 * Frank P. Treanor (1855–1933), New York politician
 * Marc Treanor (1963–2020), British sand artist
 * Mark Treanor (born 1963), Scottish footballer
 * Matt Treanor (born 1976), American baseball player
 * Michael Treanor (born 1979), actor and martial arts fighter
 * Misty May-Treanor (born 1977), American professional beach volleyball player
 * Noel Treanor (born 1950), Catholic Bishop of Down and Connor
 * William Treanor (born 1957), American legal scholar