Leitch is a surname. Notable people with the surname include:
Archibald Leitch, Scottish architectCecil Leitch, English golferDavid Leitch (settler) (1753–1794), founder of Leitch's Station, Kentucky, United StatesDavid Leitch (actor), American actor and stuntmanDavid Leitch (politician) (1923–1988), Australian politicianDavid R. Leitch (born 1948), American politicianDonovan Leitch, Scottish musicianDonovan Leitch, Jr., actor and the son of the aboveHarry Leitch, Scottish squash playerIone Skye Leitch, known as Ione Skye, actress and daughter of Donovan LeitchMaurice Leitch, writerMichael Leitch (born 1988), Japanese rugby union playerScott Leitch, Scottish football player and managerWill Leitch, American writerWilliam Leighton Leitch, Scottish painter