| Position: | Centre/Right Wing |
| Played For: | New York Rangers |
| Shoots: | Right |
| Height Ft: | 5 |
| Height In: | 9 |
| Weight Lb: | 172 |
| Birth Date: | 1922 12, mf=yes |
| Birth Place: | Montreal, Quebec, Canada |
| Career Start: | 1942 |
| Career End: | 1958 |
Ralph Leonard "Bucky" Buchanan (December 28, 1922 – April 24, 2005) was a Canadian ice hockey right winger. He played 2 games in the National Hockey League for the New York Rangers during the 1948–49 season. The rest of his career, which lasted from 1942 to 1958, was spent in the minor leagues. His son, Ron Buchanan, also played in the NHL.
| Regular season | Playoffs | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | Team | League | GP | PIM | GP | G | A | Pts | PIM | |||||
| 1940–41 | Montreal Junior Canadiens | QJAHA | 7 | 1 | 3 | 4 | 6 | 3 | 2 | 2 | 4 | 0 | ||
| 1941–42 | Montreal Junior Canadiens | QJAHA | — | — | — | — | — | — | — | — | — | — | ||
| 1942–43 | Montreal Junior Royals | QJAHA | 15 | 8 | 6 | 14 | 8 | — | — | — | — | — | ||
| 1942–43 | Montreal Navy | MNDHL | 10 | 4 | 7 | 11 | 11 | 5 | 3 | 2 | 5 | 2 | ||
| 1942–43 | Toronto Navy | OHA Sr | — | — | — | — | — | 2 | 0 | 2 | 2 | 2 | ||
| 1943–44 | Montreal Navy | MNDHL | 15 | 10 | 8 | 18 | 10 | 4 | 7 | 4 | 11 | 4 | ||
| 1944–45 | Montreal Navy | MNDHL | 13 | 17 | 13 | 30 | 10 | 5 | 4 | 6 | 10 | 2 | ||
| 1945–46 | San Francisco Shamrocks | PCHL | 40 | 50 | 25 | 75 | 27 | — | — | — | — | — | ||
| 1946–47 | San Francisco Shamrocks | PCHL | 57 | 66 | 27 | 93 | 45 | — | — | — | — | — | ||
| 1947–48 | Shawinigan Falls Cataractes | QSHL | 47 | 43 | 35 | 78 | 23 | 7 | 4 | 1 | 5 | 2 | ||
| 1948–49 | New York Rangers | NHL | 2 | 0 | 0 | 0 | 0 | — | — | — | — | — | ||
| 1948–49 | Shawinigan Falls Cataractes | QSHL | 33 | 21 | 25 | 46 | 8 | 7 | 2 | 3 | 5 | 12 | ||
| 1949–50 | Shawinigan Falls Cataractes | QSHL | 60 | 36 | 49 | 85 | 2 | — | — | — | — | — | ||
| 1950–51 | Shawinigan Falls Cataractes | QSHL | 52 | 28 | 36 | 64 | 30 | — | — | — | — | — | ||
| 1951–52 | Shawinigan Falls Cataractes | QSHL | 59 | 23 | 33 | 56 | 0 | — | — | — | — | — | ||
| 1952–53 | Chicoutimi Sagueneens | QSHL | 60 | 31 | 42 | 73 | 33 | 20 | 9 | 6 | 15 | 4 | ||
| 1953–54 | Chicoutimi Sagueneens | QSHL | 63 | 29 | 34 | 63 | 18 | 7 | 2 | 2 | 4 | 2 | ||
| 1954–55 | Quebec Aces | QSHL | 55 | 11 | 31 | 42 | 12 | 8 | 1 | 5 | 6 | 8 | ||
| 1955–56 | Quebec Aces | QSHL | 52 | 10 | 17 | 27 | 2 | 7 | 3 | 0 | 3 | 2 | ||
| 1956–57 | Quebec Aces | QSHL | 17 | 1 | 6 | 7 | 8 | — | — | — | — | — | ||
| 1956–57 | Kingston CKLCs | OHA Sr | 30 | 26 | 22 | 48 | 12 | 5 | 2 | 2 | 4 | 0 | ||
| 1957–58 | Pembroke Lumber Kings | OHA Sr | 29 | 11 | 14 | 25 | 14 | — | — | — | — | — | ||
| QSHL totals | 498 | 233 | 308 | 541 | 136 | 56 | 21 | 17 | 38 | 30 | ||||
| NHL totals | 2 | 0 | 0 | 0 | 0 | — | — | — | — | — | ||||