| Frank Withrow | |
| Position: | Catcher |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | June 14, 1891 |
| Birth Place: | Greenwood, Missouri |
| Death Place: | Omaha, Nebraska |
| Debutleague: | MLB |
| Debutdate: | April 15 |
| Debutteam: | Philadelphia Phillies |
| Finalleague: | MLB |
| Finaldate: | September 27 |
| Finalteam: | Philadelphia Phillies |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .203 |
| Stat2label: | Home runs |
| Stat2value: | 0 |
| Stat3label: | Runs batted in |
| Stat3value: | 15 |
| Teams: | |
Frank Blaine Withrow (June 14, 1891 – September 5, 1966), nicknamed "Kid", was a professional baseball player. He played two seasons, 1920 and 1922, in Major League Baseball for the Philadelphia Phillies, primarily as a catcher. In 58 games, Withrow had 31 hits in 153 at bats, for a .203 batting average. He batted and threw right-handed.
Withrow was born in Greenwood, Missouri, and died in Omaha, Nebraska.