| Position: | Right Wing |
| Shoots: | Right |
| Height Ft: | 6 |
| Height In: | 1 |
| Weight Lb: | 205 |
| Played For: | Boston Bruins |
| Birth Date: | 19 October 1973 |
| Birth Place: | Grand Rapids, Minnesota, U.S. |
| Draft: | 1994 NHL Supplemental Draft |
| Draft Team: | Philadelphia Flyers |
| Career Start: | 1996 |
| Career End: | 1999 |
Kirk G. Nielsen (born October 19, 1973) is an American former professional ice hockey player. He played 6 games in the NHL with the Boston Bruins during the 1997–98 season. The rest of his career, which lasted from 1996 to 1999, was spent in the minor leagues. He is the younger brother of Jeff Nielsen.
Selected tenth and last by the Philadelphia Flyers in the 1994 NHL Supplemental Draft, Nielsen was the final player chosen by this method, as the Supplemental Draft was discontinued after this season.
| Regular season | Playoffs | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | Team | League | GP | PIM | GP | G | A | Pts | PIM | |||||
| 1990–91 | Grand Rapids High School | HS-MN | — | — | — | — | — | — | — | — | — | — | ||
| 1991–92 | Grand Rapids High School | HS-MN | — | — | — | — | — | — | — | — | — | — | ||
| 1992–93 | Harvard University | ECAC | 30 | 2 | 2 | 4 | 38 | — | — | — | — | — | ||
| 1993–94 | Harvard University | ECAC | 32 | 6 | 9 | 15 | 41 | — | — | — | — | — | ||
| 1994–95 | Harvard University | ECAC | 30 | 13 | 8 | 21 | 24 | — | — | — | — | — | ||
| 1995–96 | Harvard University | ECAC | 31 | 12 | 16 | 28 | 66 | — | — | — | — | — | ||
| 1996–97 | Providence Bruins | AHL | 68 | 12 | 23 | 35 | 30 | 9 | 2 | 1 | 3 | 2 | ||
| 1997–98 | Boston Bruins | NHL | 6 | 0 | 0 | 0 | 0 | — | — | — | — | — | ||
| 1997–98 | Providence Bruins | AHL | 72 | 19 | 29 | 48 | 40 | — | — | — | — | — | ||
| 1998–99 | Cincinnati Cyclones | IHL | 82 | 12 | 22 | 34 | 58 | 3 | 0 | 0 | 0 | 4 | ||
| NHL totals | 6 | 0 | 0 | 0 | 0 | — | — | — | — | — | ||||