| Gilly Campbell | |
| Bats: | Left |
| Throws: | Right |
| Birth Date: | 13 February 1908 |
| Birth Place: | Kansas City, Kansas, U.S. |
| Death Place: | Los Angeles, California, U.S. |
| Debutleague: | MLB |
| Debutdate: | April 25 |
| Debutyear: | 1933 |
| Debutteam: | Chicago Cubs |
| Finalleague: | MLB |
| Finaldate: | October 2 |
| Finalyear: | 1938 |
| Finalteam: | Brooklyn Dodgers |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .263 |
| Stat2label: | Home runs |
| Stat2value: | 5 |
| Stat3label: | Runs batted in |
| Stat3value: | 93 |
| Teams: |
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William Gilthorpe Campbell (February 13, 1908 – February 21, 1973) was a Major League Baseball catcher. He played all or part of five seasons in the majors between and .
In 295 games over five seasons, Campbell posted a .263 batting average (186-for-708) with 78 runs, 5 home runs, 93 RBI and 116 bases on balls. He finished his major league career with a .975 fielding percentage.