| Jack Clayton | |
| Birth Date: | 4 January 1915 |
| Death Place: | Shreveport, Louisiana, U.S. |
| Coach Sport1: | Football |
| Coach Team2: | Bossier HS (LA) |
| Coach Years3: | 1947 |
| Coach Team3: | Western Kentucky (assistant) |
| Coach Years4: | 1948–1956 |
| Coach Team4: | Western Kentucky |
| Coach Years5: | 1957–1966 |
| Coach Team5: | Northwestern State |
| Coach Sport6: | Basketball |
| Coach Years7: | 1946–1947 |
| Coach Team7: | Centenary |
| Coach Sport8: | Baseball |
| Coach Years9: | 1967–1968 |
| Coach Team9: | Northwestern State |
| Overall Record: | 108–68–4 (college football) 16–7 (college basketball) 42–22–3 (college baseball) |
| Bowl Record: | 1–0 |
| Championships: | Football OVC (1952) 4 Gulf States (1957, 1958, 1962, 1966) |
Jack H. Clayton (January 4, 1915 – January 26, 1997) was an American football, basketball, and baseball coach.[1] He served as the head men's basketball coach at Centenary College of Louisiana during the 1946–1947 before moving to Bowling Green, Kentucky to become the head football coach at Western Kentucky State College from 1948 to 1956.[2] Clayton later became the head football coach (1957–1966)[3] and head baseball coach (1967–1968) at Northwestern State University in Natchitoches, Louisiana.
A native of Haughton, Louisiana, Clayton died of congestive heart failure, on January 26, 1997, at Willis-Knighton Hospital in Shreveport, Louisiana.[4]