| Birth Date: | July 21, 1905 |
| Birth Place: | Ottawa, Ontario, Canada |
| Death Place: | Ottawa, Ontario, Canada |
| Height Ft: | 5 |
| Height In: | 9 |
| Weight Lb: | 172 |
| Position: | Centre |
| Shoots: | Right |
| Played For: | Ottawa Senators New York Americans Montreal Canadiens |
| Career Start: | 1925 |
| Career End: | 1933 |
Leonard Cecil Grosvenor (July 21, 1905 – March 15, 1981) was a Canadian professional ice hockey player who played 150 games in the National Hockey League with the Ottawa Senators, New York Americans, and Montreal Canadiens between 1927 and 1933.
| Regular season | Playoffs | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | Team | League | GP | PIM | GP | G | A | Pts | PIM | |||||
| 1925–26 | Ottawa Rideaus | OCHL | — | 1 | 0 | 1 | — | — | — | — | — | — | ||
| 1926–27 | Ottawa Rideaus | OCHL | 14 | 9 | 4 | 13 | — | — | — | — | — | — | ||
| 1927–28 | Ottawa Senators | NHL | 44 | 1 | 2 | 3 | 18 | 2 | 0 | 0 | 0 | 2 | ||
| 1928–29 | Ottawa Senators | NHL | 42 | 3 | 2 | 5 | 18 | — | — | — | — | — | ||
| 1929–30 | Ottawa Senators | NHL | 15 | 0 | 3 | 3 | 21 | — | — | — | — | — | ||
| 1929–30 | London Panthers | IHL | 27 | 6 | 1 | 7 | 24 | 2 | 0 | 0 | 0 | 0 | ||
| 1930–31 | London Tecumsehs | IHL | 9 | 4 | 1 | 5 | 9 | — | — | — | — | — | ||
| 1930–31 | Ottawa Senators | NHL | 33 | 5 | 4 | 9 | 25 | — | — | — | — | — | ||
| 1931–32 | New York Americans | NHL | 12 | 0 | 0 | 0 | 0 | — | — | — | — | — | ||
| 1931–32 | Bronx Tigers | Can-Am | 30 | 6 | 5 | 11 | 28 | 2 | 0 | 0 | 0 | 0 | ||
| 1932–33 | Montreal Canadiens | NHL | 4 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | ||
| NHL totals | 150 | 9 | 11 | 20 | 82 | 4 | 0 | 0 | 0 | 2 | ||||