| Stian Sivertzen | |
| Birth Date: | 28 March 1989 |
| Birth Place: | Drammen, Norway |
| Height: | 194 cm (2014)[1] |
| Headercolor: | lightsteelblue |
| Show-Medals: | yes |
Stian Sivertzen (born 28 March 1989) is a Norwegian snowboarder. He represents Kongsberg IF.
He placed eighth overall in the 2007-08 Snowboarding World Cup, and second in his special event boardercross, where he collected all of his 4180 points. He took his first victory in a World Cup event in September 2007, and has four podiums so far.