| Tom Hernon | |
| Position: | Outfielder |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 4 November 1866 |
| Birth Place: | East Bridgewater, Massachusetts |
| Death Place: | New Bedford, Massachusetts |
| Debutleague: | MLB |
| Debutdate: | September 13 |
| Debutteam: | Chicago Colts |
| Finalleague: | MLB |
| Finaldate: | September 15 |
| Finalteam: | Chicago Colts |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .063 |
| Stat2label: | Home runs |
| Stat2value: | 0 |
| Stat3label: | Runs batted in |
| Stat3value: | 2 |
| Teams: |
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Thomas H. Hernon (November 4, 1866 – February 4, 1902) was a professional baseball player. He played part of one season in Major League Baseball for the Chicago Colts (now known as the Cubs) in 1897. He was a right-handed batter and a right-handed thrower. He was 5'7½ feet tall and weighed 156 pounds.
Hernon was born in East Bridgewater, Massachusetts, and died in New Bedford, Massachusetts. He is buried in St. Mary Cemetery in New Bedford.