McKellar is a surname. Notable people with the surname include:Archibald McKellar (1816–1894), Canadian politician Archie McKellar (1912–1940), Royal Air Force fighter pilot during the Battle of Britain Colin McKellar (1903–1970), Australian farmer, soldier and federal politician Crystal McKellar, American actress, sister of Danica Danica McKellar, American actress, sister of Crystal Daniel McKellar (1892–1917), Scottish footballer Don McKellar, Canadian actor, writer, and filmmaker John McKellar (1833–1900), Canadian businessman and politician John McKellar (writer) (1930–2010), Australian playwright, social satirist Kenneth McKellar (politician) (1869–1957), American politician Kenneth McKellar (singer) (1927–2010), Scottish singer Earl McKellar (1918–1976), Canadian politician Phil McKellar, Australian record producer
