Bonnar is a surname. Notable people with the surname include:
Colm Bonnar (born 1964), Irish former hurling player Conal Bonnar (born 1969), Irish hurling player Cormac Bonnar (born 1959), Irish hurling player Joanne Bonnar, Scottish television news reporter John James Bonnar (1818–1905), headmaster and lawyer in South Australia and New South Wales Joseph Bonnar (1948–2017), English rugby league footballer Mark Bonnar (born 1968), Scottish actor Scott Bonnar (c. 1893–1961), built lawnmowers in South Australia Stephan Bonnar (1977–2022), American mixed martial arts fighter
See also Bonar (name) Bonner (disambiguation)