| Jud Smith | |
| Position: | Third baseman |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | January 13, 1869 |
| Birth Place: | Green Oak, Michigan |
| Death Place: | Los Angeles |
| Debutleague: | MLB |
| Debutdate: | May 21 |
| Debutyear: | 1893 |
| Debutteam: | Cincinnati Reds |
| Finalleague: | MLB |
| Finaldate: | September 15 |
| Finalyear: | 1901 |
| Finalteam: | Pittsburgh Pirates |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .280 |
| Stat2label: | Home runs |
| Stat2value: | 4 |
| Stat3label: | Runs batted in |
| Stat3value: | 37 |
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Grant Judson Smith (January 13, 1869 – December 7, 1947) was a professional baseball player. He played all or part of four seasons in Major League Baseball for the Cincinnati Reds (1893), St. Louis Browns (1893), Pittsburgh Pirates (1896 and 1901) and Washington Senators (1898), primarily as a third baseman.
Smith, who was born in Green Oak, Michigan, was a member of the Pirates team that won the 1901 National League pennant.
In 4 seasons he played in 103 games and had 346 at bats, 48 runs, 97 hits, 11 doubles, 6 triples, 4 home runs, 37 RBI, 15 stolen bases, 37 walks, .280 batting average, .363 on-base percentage, .382 slugging percentage and 132 total bases.
He went to college at Ohio State University.
He died in Los Angeles at the age of 78.