Grant Curtis Jennings (born May 5, 1965) is a Canadian former National Hockey League defenceman.
Jennings appeared in 389 NHL games, scoring 14 goals and adding 43 assists. He also appeared in 54 Stanley Cup playoff games, scoring two goals and recording one assist. He is currently working for ConocoPhillips as an aircraft mechanic in Alaska. He attended the Pittsburgh Institute of Aeronautics in West Mifflin, Pennsylvania.
| 1983–84 | Saskatoon Blades | WHL | 102 | — |
| 1984–85 | Saskatoon Blades | WHL | 134 | 12 |
| 1985–86 | Binghamton Whalers | AHL | 109 | — |
| 1986–87 | Fort Wayne Komets | IHL | 0 | — |
| 1986–87 | Binghamton Whalers | AHL | 125 | 17 |
| 1987–88 | Binghamton Whalers | AHL | 195 | 15 |
| 1987–88 | Washington Capitals | NHL | — | 0 |
| 1988–89 | Hartford Whalers | NHL | 159 | 17 |
| 1988–89 | Binghamton Whalers | AHL | 2 | — |
| 1989–90 | Hartford Whalers | NHL | 171 | 17 |
| 1990–91 | Hartford Whalers | NHL | 82 | — |
| 1990–91 | Pittsburgh Penguins | NHL | 26 | 16 |
| 1991–92 | Pittsburgh Penguins | NHL | 104 | 12 |
| 1992–93 | Pittsburgh Penguins | NHL | 65 | 8 |
| 1993–94 | Pittsburgh Penguins | NHL | 126 | 2 |
| 1994–95 | Toronto Maple Leafs | NHL | 7 | 0 |
| 1994–95 | Pittsburgh Penguins | NHL | 36 | — |
| 1995–96 | Buffalo Sabres | NHL | 28 | — |
| 1995–96 | Rochester Americans | AHL | 28 | — |
| 1995–96 | Atlanta Knights | IHL | 19 | 20 |
| 1996–97 | Quebec Rafales | IHL | 79 | — |
| 1997–98 | San Antonio Dragons | IHL | 116 | — |
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