Tim Mastnak
| Personal information | |
|---|---|
| Nationality | Slovenian |
| Born | 31 January 1991 Celje, SR Slovenia, SFR Yugoslavia |
| Height | 1.77 m (5 ft 10 in) |
| Sport | |
| Country | Slovenia |
| Sport | Snowboarding |
| Event | Parallel giant slalom |
| Club | Sport Klub M-Celje |
| Coached by | Robert Mastnak |
Tim Mastnak (born 31 January 1991) is a Slovenian snowboarder.
He competed in the 2015 and 2017 FIS Snowboard World Championships, and at the 2018 Winter Olympics, in parallel giant slalom.