| Position: | Defence |
| Played For: | Boston Bruins |
| Shoots: | Left |
| Height Ft: | 5 |
| Height In: | 6 |
| Weight Lb: | 165 |
| Birth Date: | 1907 2, mf=yes |
| Birth Place: | Durham, Ontario, Canada |
| Career Start: | 1927 |
| Career End: | 1933 |
William Thomas Martin Lauder (February 26, 1907 — September 6, 1959) was a Canadian professional ice hockey player who played three games in the National Hockey League for the Boston Bruins during the 1927–28 season. The rest of his career, which lasted from 1927 to 1933, was spent in different minor leagues. He was born in Durham, Ontario.
| Regular season | Playoffs | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | Team | League | GP | PIM | GP | G | A | Pts | PIM | |||||
| 1925–26 | Owen Sound Greys | OHA | 12 | 18 | 6 | 24 | — | 8 | 7 | 2 | 9 | 8 | ||
| 1926–27 | Owen Sound Greys | OHA | 15 | 23 | 13 | 36 | — | — | — | — | — | — | ||
| 1927–28 | Boston Bruins | NHL | 3 | 0 | 0 | 0 | 2 | — | — | — | — | — | ||
| 1927–28 | Providence Reds | Can-Am | 16 | 3 | 1 | 4 | 8 | — | — | — | — | — | ||
| 1928–29 | Hamilton Tigers | Can-Pro | 36 | 8 | 5 | 13 | 53 | — | — | — | — | — | ||
| 1929–30 | Hamilton Tigers | IHL | 40 | 19 | 11 | 30 | 39 | — | — | — | — | — | ||
| 1930–31 | Syracuse Stars | IHL | 20 | 6 | 2 | 8 | 26 | — | — | — | — | — | ||
| 1930–31 | Buffalo Bisons | IHL | 29 | 8 | 0 | 8 | 18 | 6 | 1 | 0 | 1 | 0 | ||
| 1931–32 | Buffalo Bisons | IHL | 46 | 7 | 3 | 10 | 24 | 6 | 0 | 0 | 0 | 0 | ||
| 1932–33 | Buffalo Bisons | IHL | 42 | 4 | 2 | 6 | 24 | 5 | 0 | 0 | 0 | 0 | ||
| IHL totals | 177 | 44 | 18 | 62 | 131 | 17 | 1 | 0 | 1 | 0 | ||||
| NHL totals | 3 | 0 | 0 | 0 | 0 | — | — | — | — | — | ||||