| Birth Place: | Guysborough, Nova Scotia, CAN |
| Death Place: | near Oak Park, Illinois, U.S. |
| Height Ft: | 5 |
| Height In: | 8 |
| Weight Lb: | 170 |
| Position: | Defence |
| Shoots: | Right |
| Played For: | NHL Montreal Canadiens Pittsburgh Pirates Philadelphia Quakers AHA St. Louis Flyers Kansas City Pla-Mors Oklahoma City Warriors CHL Minneapolis Millers |
| Career Start: | 1925 |
| Career End: | 1938 |
John Douglas McKinnon, Jr. (July 15, 1899 — February 8, 1969) was a Canadian professional ice hockey defenceman who played six seasons in the National Hockey League for the Montreal Canadiens, Pittsburgh Pirates, and Philadelphia Quakers between 1925 and 1931. He then spent eight seasons in the American Hockey Association, and retired in 1938. He was born in Guysborough, Nova Scotia.
| Regular season | Playoffs | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | Team | League | GP | PIM | GP | G | A | Pts | PIM | |||||
| 1923–24 | Cleveland Indians | USAHA | 10 | 0 | 0 | 0 | — | — | — | — | — | — | ||
| 1924–25 | Fort Pitt Hornets | USAHA | 23 | 24 | 0 | 24 | — | 8 | 2 | 0 | 2 | — | ||
| 1925–26 | Montreal Canadiens | NHL | 2 | 0 | 0 | 0 | 0 | — | — | — | — | — | ||
| 1925–26 | Minneapolis Millers | CHL | 32 | 12 | 8 | 20 | 44 | 3 | 3 | 1 | 4 | 6 | ||
| 1926–27 | Pittsburgh Pirates | NHL | 44 | 13 | 0 | 13 | 21 | — | — | — | — | — | ||
| 1927–28 | Pittsburgh Pirates | NHL | 43 | 3 | 3 | 6 | 71 | 2 | 0 | 0 | 0 | 4 | ||
| 1928–29 | Pittsburgh Pirates | NHL | 39 | 1 | 0 | 1 | 44 | — | — | — | — | — | ||
| 1929–30 | Pittsburgh Pirates | NHL | 41 | 10 | 7 | 17 | 42 | — | — | — | — | — | ||
| 1930–31 | Philadelphia Quakers | NHL | 39 | 1 | 1 | 2 | 46 | — | — | — | — | — | ||
| 1931–32 | Kansas City Pla-Mors | AHA | 48 | 16 | 4 | 20 | 65 | 3 | 0 | 0 | 0 | 2 | ||
| 1932–33 | Kansas City Pla-Mors | AHA | 32 | 7 | 4 | 11 | 32 | 4 | 0 | 0 | 0 | 2 | ||
| 1933–34 | Oklahoma City Warriors | AHA | 46 | 10 | 4 | 14 | 16 | — | — | — | — | — | ||
| 1934–35 | Oklahoma City Warriors | AHA | 43 | 3 | 4 | 7 | 15 | — | — | — | — | — | ||
| 1935–36 | St. Louis Flyers | AHA | 39 | 1 | 9 | 10 | 12 | 8 | 2 | 2 | 4 | 16 | ||
| 1936–37 | St. Louis Flyers | AHA | 47 | 5 | 9 | 14 | 16 | 6 | 1 | 0 | 1 | 2 | ||
| 1937–38 | St. Louis Flyers | AHA | 7 | 0 | 0 | 0 | 2 | — | — | — | — | — | ||
| 1938–39 | St. Louis Flyers | AHA | — | — | — | — | — | — | — | — | — | — | ||
| NHL totals | 208 | 28 | 11 | 39 | 224 | 2 | 0 | 0 | 0 | 4 | ||||