Kinnear is a Scottish and Irish surname. Notable persons with that name include:
Ben Kinnear (born 1979), footballer
Bob Kinnear, Canadian labour leader
Charles Kinnear (1830-1894), architect
David Kinnear (1917–2008), Scottish association football player
David Kinnear (journalist) (c. 1906–1862), Canadian journalist
Dominic Kinnear (born 1967), Scottish-American association football player and manager
George Kinnear (1836–1912), American military officer and real estate developer
Greg Kinnear (born 1963), American actor
Kent Kinnear (born 1966), American tennis player
Helen Kinnear (1894–1970), Canadian lawyer
Joe Kinnear (1912–1981), Australian rules footballer
Joe Kinnear (born 1946), Irish association football player and manager
John Kinnear (Irish politician) (1824–1894), Irish politician
John Boyd Kinnear (1828–1920), Scottish lawyer, writer and politician
Mary Elizabeth Kinnear (1898–1991), Canadian politician
Norman Boyd Kinnear (1882–1957), Scottish zoologist
Roy Kinnear (1934–1988), English actor
Rory Kinnear (born 1978), English actor, son of Roy Kinnear
William Kinnear (1880–1974), Scottish rower