| Position: | Defence |
| Shoots: | Left |
| Height Ft: | 6 |
| Height In: | 3 |
| Weight Lb: | 220 |
| Played For: | Ilves Lukko HIFK New York Islanders Frölunda HC |
| Ntl Team: | Finland |
| Birth Date: | June 17, 1977 |
| Birth Place: | Ylöjärvi, Finland |
| Draft: | 267th overall |
| Draft Year: | 2000 |
| Draft Team: | New York Islanders |
| Career Start: | 1996 |
| Career End: | 2012 |
Tomi Pettinen (born June 17, 1977) is a Finnish former professional ice hockey defenceman. He played 24 games in the National Hockey League with the New York Islanders between 2002 and 2006. The rest of his career, which lasted from 1996 to 2012, was mainly spent in the SM-liiga. He was drafted by the New York Islanders as their ninth-round pick, #267 overall, in the 2000 NHL Entry Draft.
Pettinen came to North America in 2002 to play for Islanders minor league club, the Bridgeport Sound Tigers. While in his native Finland, he has played for Ilves, HIFK, and Lukko.
| Regular season | Playoffs | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | Team | League | GP | PIM | GP | G | A | Pts | PIM | |||||
| 1992–93 | Ilves | FIN U16 | 31 | 2 | 2 | 4 | 4 | — | — | — | — | — | ||
| 1994–95 | Ilves | FIN U18 | 31 | 1 | 6 | 7 | 46 | 4 | 0 | 0 | 0 | 2 | ||
| 1994–95 | Ilves | FIN U20 | 1 | 0 | 0 | 0 | 0 | — | — | — | — | — | ||
| 1995–96 | KOOVEE | FIN U20 | 21 | 0 | 0 | 0 | 64 | — | — | — | — | — | ||
| 1996–97 | Ilves | FIN U20 | 14 | 2 | 4 | 6 | 18 | — | — | — | — | — | ||
| 1996–97 | Ilves | SM-l | 16 | 1 | 0 | 1 | 12 | — | — | — | — | — | ||
| 1997–98 | Ilves | SM-l | 3 | 0 | 0 | 0 | 0 | — | — | — | — | — | ||
| 1997–98 | Lukko | FIN U20 | 4 | 2 | 2 | 4 | 2 | — | — | — | — | — | ||
| 1997–98 | Lukko | SM-l | 27 | 0 | 2 | 2 | 16 | — | — | — | — | — | ||
| 1998–99 | HIFK | SM-l | 4 | 0 | 0 | 0 | 2 | — | — | — | — | — | ||
| 1998–99 | Hermes | FIN-2 | 42 | 8 | 6 | 14 | 76 | 3 | 0 | 0 | 0 | 6 | ||
| 1999–00 | Ilves | SM-l | 51 | 1 | 6 | 7 | 78 | 3 | 1 | 2 | 3 | 2 | ||
| 2000–01 | Ilves | SM-l | 56 | 2 | 2 | 4 | 86 | 9 | 0 | 0 | 0 | 4 | ||
| 2001–02 | Ilves | SM-l | 48 | 5 | 4 | 9 | 51 | 3 | 0 | 0 | 0 | 4 | ||
| 2001–02 | Bridgeport Sound Tigers | AHL | — | — | — | — | — | 9 | 0 | 1 | 1 | 0 | ||
| 2002–03 | New York Islanders | NHL | 2 | 0 | 0 | 0 | 0 | — | — | — | — | — | ||
| 2002–03 | Bridgeport Sound Tigers | AHL | 75 | 1 | 8 | 9 | 56 | 9 | 0 | 0 | 0 | 17 | ||
| 2003–04 | New York Islanders | NHL | 4 | 0 | 0 | 0 | 2 | — | — | — | — | — | ||
| 2003–04 | Bridgeport Sound Tigers | AHL | 71 | 1 | 8 | 9 | 37 | 7 | 1 | 0 | 1 | 0 | ||
| 2004–05 | Lukko | SM-l | 56 | 6 | 14 | 20 | 49 | 9 | 0 | 2 | 2 | 33 | ||
| 2005–06 | New York Islanders | NHL | 18 | 0 | 0 | 0 | 16 | — | — | — | — | — | ||
| 2005–06 | Bridgeport Sound Tigers | AHL | 29 | 0 | 6 | 6 | 38 | 7 | 0 | 1 | 1 | 14 | ||
| 2006–07 | Frölunda HC | SEL | 27 | 0 | 0 | 0 | 14 | — | — | — | — | — | ||
| 2006–07 | Leksands IF | Allsv | 19 | 5 | 6 | 11 | 18 | — | — | — | — | — | ||
| 2007–08 | Leksands IF | Allsv | 44 | 7 | 17 | 24 | 34 | — | — | — | — | — | ||
| 2008–09 | Lukko | SM-l | 46 | 6 | 7 | 13 | 34 | — | — | — | — | — | ||
| 2009–10 | Lukko | SM-l | 43 | 6 | 21 | 27 | 22 | — | — | — | — | — | ||
| 2010–11 | Lukko | SM-l | 49 | 6 | 4 | 10 | 36 | 6 | 1 | 1 | 2 | 2 | ||
| 2011–12 | Lukko | SM-l | 38 | 1 | 1 | 2 | 34 | 3 | 0 | 1 | 1 | 0 | ||
| SM-l totals | 437 | 34 | 55 | 89 | 420 | 33 | 2 | 6 | 8 | 45 | ||||
| NHL totals | 24 | 0 | 0 | 0 | 18 | — | — | — | — | — | ||||