| Born: | January 25, 2004 | Draft: | 2022 Sabres 41st Overall |
| Hometown: | Jyvaskyla, Finland | Position: | Goaltender |
| Known For: | Catches: | Left | |
| National Team: | Finland | Current Team: | JYP (Liiga) |
Topias Leinonen (born January 25, 2004) is a Finnish-born ice hockey goaltender currently playing for JYP in the Liiga in Finland. He was drafted in the second round of the 2022 NHL Entry Draft, taken with the 41st overall pick by the Buffalo Sabres.
