| Honorific-Prefix: | The Hon. |
| Thomas Wilson Crothers | |
| Office: | Senator for Ontario, Ontario |
| Appointed: | Arthur Meighen |
| Term Start: | October 3, 1921 |
| Term End: | December 10, 1921 |
| Constituency Mp2: | Elgin West |
| Parliament2: | Canadian |
| Predecessor2: | William Jackson |
| Successor2: | Hugh Cummings McKillop |
| Term Start2: | 1908 |
| Term End2: | 1921 |
| Birth Date: | 1 January 1850 |
| Birth Place: | Northport, Canada West |
| Party: | Conservative |
| Cabinet: | Minister of Labour (1911–1918) |
Thomas Wilson Crothers, (January 1, 1850 - December 10, 1921) was a Canadian politician.
Born in Northport, Canada West, he was a lawyer and teacher before being elected to the House of Commons of Canada for the Ontario riding of Elgin West in the 1908 federal election. A Conservative, he was re-elected in 1911 and as a Unionist in 1917. From 1911 to 1918, he was the Minister of Labour. In October 1921, he was appointed to the Senate of Canada representing the senatorial division of Ontario. He died in office just two months later in December 1921.