| Thomas Barnett | |
| Fullname: | William Thomas Barnett |
| Birth Date: | 29 December 1876 |
| Birth Place: | Sherwood, England |
| Years1: | 1899–1900 |
| Clubs1: | Beeston Rangers |
| Years2: | 1900–1902 |
| Caps2: | 2 |
| Goals2: | 0 |
| Years3: | 1902 |
| Clubs3: | Newark Town |
| Totalcaps: | 2 |
| Totalgoals: | 0 |
William Thomas Barnett (29 December 1876–unknown) was an English footballer who played in the Football League for Nottingham Forest.[1]