Happy Jack

Happy Jack may refer to:


 * "Happy Jack" (song), a song by English rock band The Who; released as a single in 1966
 * Happy Jack (album), 1967 US release of A Quick One, the 1966 studio album by The Who
 * "Happy Jack" Angokwazhuk (c. 1870 - 1918), an Eskimo carver
 * Jack M. "Happy Jack" Ilfrey, United States Army Air Forces pilot during World War II
 * John "Happy Jack" Scaddan (1876–1934), former premier of Western Australia
 * John "Happy Jack" Wilton (1910–1981), Australian general
 * Happy Jack, 1918 children's novel by Thornton Burgess
 * Happy Jack, a play by John Godber, published in 1989, about a couple who live in a mining village in West Yorkshire

Places

 * Happy Jack, Arizona, an unincorporated town in Southwestern United States
 * Happy Jack Chalk Mine (Greeley County, Nebraska), an underground limestone quarry Central United States, south of Scotia, Nebraska
 * Happy Jack Peak, a hill in Greeley County, Nebraska, United States
 * Happy Jack, Louisiana, an unincorporated community in Southern United States
 * Happy Jack Mine, a uranium mine near Monticello, Utah, United States
 * Happy Jack Road, Wyoming Highway 210 in Western United States
 * Happy Jack Summit, a mountain pass in the Southern Rocky Mountains, in Wyoming, United States.