| John Alderton | |
| Position: | End |
| Birth Date: | 5 September 1931 |
| Birth Place: | Cumberland, Maryland, U.S. |
| Death Place: | Cumberland, Maryland, U.S. |
| Draftyear: | 1953 |
| Draftround: | 7 |
| Draftpick: | 77 |
| College: | Maryland |
| Teams: | Maryland Terrapins
|
| Statlabel1: | Games |
| Statvalue1: | 10 |
| Pfr: | AldeJo20 |
John Reber Alderton (September 5, 1931 – May 8, 2013) was an American professional football defensive lineman in the National Football League (NFL), a 1953 draft pick for the Pittsburgh Steelers. He was born in Cumberland, Maryland. He captained for the Maryland Terrapins during their undefeated (10–0) season in 1951 (#34). He went on to play football while serving in the United States Air Force at Bolling Air Force Base in 1954 and 1955.[1] In 1956, he played in three games for the Calgary Stampeders of the Canadian Football League (CFL).[2]