| Honorific-Prefix: | The Hon. |
| Thomas Harold Wood | |
| Smallimage: | Thomas Harold Wood.jpg |
| Office: | Senator for Regina, Saskatchewan |
| Appointed: | Louis St. Laurent |
| Term Start: | 1949 |
| Term End: | 1965 |
| Birth Date: | 11 June 1889 |
| Birth Place: | Marton, Chirburg, England |
| Party: | Liberal |
| Occupation: | Businessman |
Thomas Harold Wood (11 June 1889 - 26 November 1965) was a Canadian Senator. A Liberal, he was appointed to the Senate of Canada on 25 January 1949 on the recommendation of Louis St-Laurent. He represented the Senate division of Regina, Saskatchewan until his death.