| Clifford H. Knox | |
| Position: | Catcher |
| Bats: | Both |
| Throws: | Right |
| Birth Date: | 7 January 1902 |
| Birth Place: | Coalville, Iowa |
| Death Place: | Oskaloosa, Iowa |
| Debutleague: | MLB |
| Debutdate: | July 1 |
| Debutyear: | 1924 |
| Debutteam: | Pittsburgh Pirates |
| Finalleague: | MLB |
| Finaldate: | July 14 |
| Finalyear: | 1924 |
| Finalteam: | Pittsburgh Pirates |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .222 |
| Stat2label: | Home runs |
| Stat2value: | 0 |
| Stat3label: | Runs batted in |
| Stat3value: | 2 |
| Teams: | |
Clifford Hiram Knox (January 7, 1902 – September 24, 1965) was a professional baseball player. Nicknamed "Bud", he was a catcher for one season (1924) with the Pittsburgh Pirates. For his career, he compiled a .222 batting average in 18 at-bats, with two runs batted in.
He was born in Coalville, Iowa and died in Oskaloosa, Iowa at the age of 63.