Leitch is a surname. Notable people with the surname include:
Archibald Leitch, Scottish architect
Cecil Leitch, English golfer
David Leitch (settler) (1753–1794), founder of Leitch's Station, Kentucky, United States
David Leitch (actor), American actor and stuntman
David Leitch (politician) (1923–1988), Australian politician
David R. Leitch (born 1948), American politician
Donovan Leitch, Scottish musician
Donovan Leitch, Jr., actor and the son of the above
Harry Leitch, Scottish squash player
Ione Skye Leitch, known as Ione Skye, actress and daughter of Donovan Leitch
Maurice Leitch, writer
Michael Leitch (born 1988), Japanese rugby union player
Scott Leitch, Scottish football player and manager
Will Leitch, American writer
William Leighton Leitch, Scottish painter