
Gaetan Duchesne played 14 NHL SEASONS from 1981-82 to 1994-95 for the Capitals, Nordiques, Stars, Sharks, and Panthers. Across his NHL career, Duchesne recorded 179 GOALS and 254 ASSISTS for 433 CAREER POINTS. In the playoffs, Duchesne added 14 GOALS and 27 POINTS in 84 games.
| 1977-78 | QMAAA | Sainte-Foy Couillard | 1 | 0 | 0 | 0 | - | - | - | 0 |
| 1978-79 | QAAA | Ste-Foy | 25 | 3 | 12 | 15 | - | - | - | - |
| 1979-80 | QMJHL | Quebec | 46 | 9 | 28 | 37 | - | - | - | 22 |
| 1980-81 | QMJHL | Quebec | 72 | 27 | 45 | 72 | - | - | - | 63 |
| 1981-82 | NHL | Washington Capitals | 74 | 9 | 14 | 23 | -6 | 78 | 11.5% | 46 |
| 1981-82 | QMJHL | Quebec | 2 | 0 | 0 | 0 | - | - | - | 0 |
| 1982-83 | NHL | Washington Capitals | 77 | 18 | 19 | 37 | 16 | 126 | 14.3% | 52 |
| 1982-83 | AHL | Hershey | 1 | 1 | 0 | 1 | - | - | - | 0 |
| 1983-84 | NHL | Washington Capitals | 79 | 17 | 19 | 36 | 15 | 116 | 14.7% | 29 |
| 1984-85 | NHL | Washington Capitals | 67 | 15 | 23 | 38 | 16 | 84 | 17.9% | 32 |
| 1985-86 | NHL | Washington Capitals | 80 | 11 | 28 | 39 | 10 | 119 | 9.2% | 39 |
| 1986-87 | NHL | Washington Capitals | 74 | 17 | 35 | 52 | 18 | 108 | 15.7% | 53 |
| 1987-88 | NHL | Quebec Nordiques | 80 | 24 | 23 | 47 | 8 | 138 | 17.4% | 83 |
| 1988-89 | NHL | Quebec Nordiques | 70 | 8 | 21 | 29 | 0 | 110 | 7.3% | 56 |
| 1989-90 | NHL | Minnesota North Stars | 72 | 12 | 8 | 20 | 5 | 93 | 12.9% | 33 |
| 1990-91 | NHL | Minnesota North Stars | 68 | 9 | 9 | 18 | 4 | 100 | 9.0% | 18 |
| 1990-91 | Fr-Tour | Minnesota | 3 | 1 | 0 | 1 | - | - | - | 2 |
| 1991-92 | NHL | Minnesota North Stars | 73 | 8 | 15 | 23 | 6 | 106 | 7.6% | 102 |
| 1992-93 | NHL | Minnesota North Stars | 84 | 16 | 13 | 29 | 6 | 134 | 11.9% | 30 |
| 1993-94 | NHL | San Jose Sharks | 84 | 12 | 18 | 30 | 8 | 121 | 9.9% | 28 |
| 1994-95 | NHL | San Jose Sharks | 33 | 2 | 7 | 9 | -6 | 48 | 4.2% | 16 |
| 1994-95 | NHL | Florida Panthers | 13 | 1 | 2 | 3 | 3 | 14 | 7.1% | 0 |
| 1996-97 | IHL | Quebec | 66 | 10 | 18 | 28 | - | - | - | 54 |
| 1997-98 | IHL | Quebec | 3 | 0 | 0 | 0 | -1 | 3 | 0.0% | 2 |
| 1978-79 | QMAAA | Sainte-Foy Couillard | 8 | 0 | 2 | 2 | - | - | - | 4 |
| 1979-80 | QMJHL | Quebec | 5 | 0 | 2 | 2 | - | - | - | 9 |
| 1980-81 | QMJHL | Quebec | 7 | 1 | 4 | 5 | - | - | - | 6 |
| 1982-83 | NHL | Washington Capitals | 4 | 1 | 1 | 2 | 3 | 6 | 16.7% | 4 |
| 1983-84 | NHL | Washington Capitals | 8 | 2 | 1 | 3 | 3 | 8 | 25.0% | 2 |
| 1984-85 | NHL | Washington Capitals | 5 | 0 | 1 | 1 | -3 | 9 | 0.0% | 7 |
| 1985-86 | NHL | Washington Capitals | 9 | 4 | 3 | 7 | 5 | 18 | 22.2% | 12 |
| 1986-87 | NHL | Washington Capitals | 7 | 3 | 0 | 3 | 3 | 13 | 23.1% | 14 |
| 1989-90 | NHL | Minnesota North Stars | 7 | 0 | 0 | 0 | 0 | 8 | 0.0% | 6 |
| 1990-91 | NHL | Minnesota North Stars | 23 | 2 | 3 | 5 | 0 | 26 | 7.7% | 34 |
| 1991-92 | NHL | Minnesota North Stars | 7 | 1 | 0 | 1 | 2 | 10 | 10.0% | 6 |
| 1993-94 | NHL | San Jose Sharks | 14 | 1 | 4 | 5 | -2 | 17 | 5.9% | 12 |
| 1996-97 | IHL | Quebec | 9 | 5 | 0 | 5 | - | - | - | 4 |
| Season | Opponent | Date | G | A | P | +/- | PIM | PPG | SHG | S | Shifts | TOI |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Regular | @ PIT | May 3 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | - |
| Regular | @ NYR | May 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | - |
| Regular | vs WSH | Apr 30 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | - |
| Regular | @ NJD | Apr 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | - |
| Regular | @ BUF | Apr 26 | 0 | 0 | 0 | -2 | 0 | 0 | 0 | 1 | 0 | - |