| Len Speck | |
| Position: | Defense |
| Shoots: | Left |
| Height Ft: | 5 |
| Height In: | 9 |
| Weight Lb: | 195 |
| Played For: | Clinton Comets |
| Birth Date: | August 23, 1929 |
| Birth Place: | Kirkland Lake, Ontario, Canada |
| Career Start: | 1946 |
| Career End: | 1971 |
Lennis Murray Speck (born August 23, 1929) is a retired Canadian professional hockey player who played 10 seasons for the Clinton Comets in the Eastern Hockey League. He was an EHL first team all star in 1962, 1964, 1965, 1966, 1968 and 1969.