Bonar is both a surname and a given name. Notable people with the name include:
Surname:
Andrew Bonar (1810–1892), minister
Bud Bonar (1906–1970), football player
Dan Bonar (born 1956), ice hockey player
Haley Bonar (born 1983), singer-songwriter
Horatius Bonar (1808–1889), poet and minister
Ian Bonar, actor
James Bonar (politician) (1840–1901), New Zealand merchant, shipping agent, company director and politician
James Bonar (civil servant) (1852–1941), Scottish civil servant, economist and historian
John Bonar, set decorator
Maureen Bonar, curler
Paul Bonar (born 1976), Scottish footballer
Thomas Bonar, publisher
Given name:
Bonar Bain (born 1923), actor
Bonar Colleano (1924–1958), actor
Bonar Law (1858–1923), politician