Cagle is an American surname resulting from the Anglicization of the German surname Kegel. Notable people with the surname include:
Casey Cagle (born 1966), American politicianChris Cagle (born 1968), American country music singer, apparent relative of football player ChrisChris "Red" Cagle (1905-1942), American football playerDaryl Cagle (born 1956), American cartoonistHarold Cagle (1913-1977), American Olympic athleteJoey Allen (neé Joseph Allen Cagle, born 1964), American glam metal guitaristSandy Cagle (born 1957), American modelSusan Justice (neé Susan Cagle, born 1981), American pop-rock singerSusie Cagle, American journalist/cartoonist, daughter of DarylYvonne Cagle (born 1959), American astronaut