| Toby Lyons | |
| Position: | Pitcher |
| Bats: | Unknown |
| Throws: | Unknown |
| Birth Date: | March 27, 1869 |
| Birth Place: | Cambridge, Massachusetts |
| Death Place: | Boston, Massachusetts |
| Debutleague: | MLB |
| Debutdate: | April 18 |
| Debutyear: | 1890 |
| Debutteam: | Syracuse Stars |
| Finalleague: | MLB |
| Finaldate: | May 2 |
| Finalyear: | 1890 |
| Finalteam: | Syracuse Stars |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 0–2 |
| Stat2label: | Strikeouts |
| Stat2value: | 6 |
| Stat3label: | Earned run average |
| Stat3value: | 10.48 |
| Teams: |
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Thomas Arthur Lyons (March 27, 1869 – August 27, 1920) was a 19th-century major league baseball player. He was a starting pitcher for the Syracuse Stars of the American Association in April and May 1890, starting three games.