| Joe Coscarart | |
| Position: | Infielder |
| Birth Date: | 18 November 1909 |
| Birth Place: | Escondido, California |
| Death Place: | Sequim, Washington |
| Bats: | Right |
| Throws: | Right |
| Debutleague: | MLB |
| Debutdate: | April 26 |
| Debutyear: | 1935 |
| Debutteam: | Boston Braves |
| Finalleague: | MLB |
| Finaldate: | September 27 |
| Finalyear: | 1936 |
| Finalteam: | Boston Braves |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .240 |
| Stat2label: | Fielding percentage |
| Stat2value: | .943 |
| Stat3label: | Putouts |
| Stat3value: | 218 |
| Stat4label: | Assists |
| Stat4value: | 358 |
| Teams: |
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Joseph Marvin Coscarart (November 18, 1909 – April 5, 1993) was an infielder in Major League Baseball who played for the Boston Braves from 1935 to 1936. Coscarart batted and threw right-handed. He was born in Escondido, California. His younger brother, Pete, was an infielder who played with the Brooklyn Dodgers and Pittsburgh Pirates (1938–1946).
In a two-season career, Coscarart posted a .241 batting average with three home runs and 73 RBI in 190 games played.
Coscarart died in Sequim, Washington, at the age of 83.