| Position: | Defence |
| Played For: | Montreal Canadiens Toronto Maple Leafs |
| Shoots: | Left |
| Height Ft: | 6 |
| Height In: | 1 |
| Weight Lb: | 195 |
| Birth Date: | 1918 8, mf=yes |
| Birth Place: | Toronto, Ontario, Canada |
| Career Start: | 1938 |
| Career End: | 1946 |
Rhys Greenaway "Tommy" Thomson (August 9, 1918 – October 12, 1993) was a Canadian professional ice hockey defenceman who played 25 games in the National Hockey League for the Montreal Canadiens and Toronto Maple Leafs between 1940 and 1942. The rest of his career, which lasted from 1938 to 1946, was spent in various minor leagues.
Thomson was born in Toronto, Ontario.
| Regular season | Playoffs | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | Team | League | GP | PIM | GP | G | A | Pts | PIM | |||||
| 1935–36 | Toronto Young Rangers | OHA | 9 | 3 | 2 | 5 | 20 | 2 | 0 | 0 | 0 | 2 | ||
| 1936–37 | Toronto Young Rangers | OHA | 11 | 1 | 2 | 3 | 13 | 3 | 0 | 0 | 0 | 2 | ||
| 1937–38 | Toronto Young Rangers | OHA | 9 | 5 | 2 | 7 | 13 | 3 | 2 | 1 | 3 | 8 | ||
| 1938–39 | New Haven Eagles | IAHL | 19 | 1 | 3 | 4 | 6 | — | — | — | — | — | ||
| 1939–40 | Montreal Canadiens | NHL | 7 | 0 | 0 | 0 | 16 | — | — | — | — | — | ||
| 1939–40 | New Haven Eagles | IAHL | 18 | 0 | 1 | 1 | 16 | — | — | — | — | — | ||
| 1940–41 | Springfield Indians | AHL | 51 | 3 | 7 | 10 | 30 | — | — | — | — | — | ||
| 1941–42 | Springfield Indians | AHL | 50 | 1 | 15 | 16 | 39 | — | — | — | — | — | ||
| 1942–43 | Toronto Maple Leafs | NHL | 18 | 0 | 2 | 2 | 22 | — | — | — | — | — | ||
| 1942–43 | Providence Reds | AHL | 23 | 2 | 12 | 14 | 48 | 2 | 0 | 0 | 0 | 0 | ||
| 1943–44 | Kingston Army | OHA Sr | 2 | 0 | 0 | 0 | 4 | — | — | — | — | — | ||
| 1944–45 | Toronto Army Daggers | OHA Sr | 2 | 0 | 0 | 0 | 0 | — | — | — | — | — | ||
| 1944–45 | Toronto Army Shamrocks | TIHL | 18 | 2 | 5 | 7 | 26 | 1 | 0 | 2 | 2 | 2 | ||
| 1944–45 | Toronto Army Daggers | TNDHL | — | — | — | — | — | 2 | 2 | 1 | 3 | 2 | ||
| 1945–46 | Toronto Staffords | TIHL | 14 | 2 | 2 | 4 | 19 | 10 | 2 | 0 | 2 | 8 | ||
| IAHL/AHL totals | 161 | 7 | 38 | 45 | 133 | 2 | 0 | 0 | 0 | 0 | ||||
| NHL totals | 25 | 0 | 2 | 2 | 38 | — | — | — | — | — | ||||