| Position: | Centre |
| Shoots: | Right |
| Height Ft: | 6 |
| Height In: | 3 |
| Weight Lb: | 200 |
| Played For: | Detroit Red Wings |
| Birth Date: | 1934 11, mf=yes |
| Birth Place: | Kenora, Ontario, Canada |
| Death Place: | Kenora, Ontario, Canada |
| Career Start: | 1954 |
| Career End: | 1965 |
Dennis Olson (November 9, 1934 – July 29, 2021) was a Canadian professional ice hockey centre who played three games in the National Hockey League with the Detroit Red Wings during the 1957–58 season. The rest of his career, which lasted from 1954 to 1965, was spent in the minor leagues. Olson was born in Kenora, Ontario, but grew up in Port Arthur, Ontario.
| Regular season | Playoffs | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | Team | League | GP | PIM | GP | G | A | Pts | PIM | |||||
| 1951–52 | Port Arthur Flyers | TBJHL | 30 | 16 | 15 | 31 | 18 | 3 | 0 | 1 | 1 | 0 | ||
| 1952–53 | Port Arthur Flyers | TBJHL | 30 | 24 | 23 | 47 | 39 | 8 | 3 | 4 | 7 | 2 | ||
| 1953–54 | Port Arthur North Stars | TBJHL | 36 | 31 | 22 | 53 | 43 | 5 | 4 | 2 | 6 | 12 | ||
| 1953–54 | Fort William Canadians | M-Cup | — | — | — | — | — | 13 | 2 | 6 | 8 | 11 | ||
| 1954–55 | Troy Bruins | IHL | 57 | 9 | 24 | 33 | 36 | 11 | 1 | 6 | 7 | 7 | ||
| 1955–56 | Troy Bruins | IHL | 60 | 31 | 39 | 70 | 76 | 5 | 0 | 2 | 2 | 9 | ||
| 1956–57 | New Westminster Royals | WHL | 70 | 25 | 14 | 39 | 23 | 13 | 5 | 2 | 7 | 6 | ||
| 1957–58 | Seattle Americans | WHL | 7 | 3 | 7 | 10 | 0 | — | — | — | — | — | ||
| 1957–58 | Vancouver Canucks | WHL | 31 | 19 | 12 | 31 | 12 | — | — | — | — | — | ||
| 1957–58 | Edmonton Flyers | WHL | 24 | 11 | 8 | 19 | 4 | — | — | — | — | — | ||
| 1957–58 | Detroit Red Wings | NHL | 3 | 0 | 0 | 0 | 0 | — | — | — | — | — | ||
| 1958–59 | Springfield Indians | AHL | 68 | 21 | 23 | 44 | 20 | — | — | — | — | — | ||
| 1959–60 | Trois-Rivières Lions | EPHL | 6 | 1 | 1 | 2 | 2 | — | — | — | — | — | ||
| 1959–60 | Springfield Indians | AHL | 61 | 14 | 29 | 43 | 13 | 10 | 1 | 5 | 6 | 4 | ||
| 1960–61 | Kitchener Beavers | EPHL | 54 | 31 | 31 | 62 | 57 | — | — | — | — | — | ||
| 1960–61 | Springfield Indians | AHL | 17 | 1 | 7 | 8 | 2 | 8 | 4 | 6 | 10 | 0 | ||
| 1961–62 | Springfield Indians | AHL | 70 | 24 | 22 | 46 | 30 | 11 | 4 | 3 | 7 | 4 | ||
| 1962–63 | Springfield Indians | AHL | 72 | 25 | 33 | 58 | 20 | — | — | — | — | — | ||
| 1963–64 | Springfield Indians | AHL | 72 | 20 | 33 | 53 | 16 | — | — | — | — | — | ||
| 1964–65 | Springfield Indians | AHL | 72 | 21 | 34 | 55 | 30 | — | — | — | — | — | ||
| AHL totals | 432 | 126 | 181 | 307 | 131 | 29 | 9 | 14 | 23 | 8 | ||||
| NHL totals | 3 | 0 | 0 | 0 | 0 | — | — | — | — | — | ||||