| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Hansjacob Emanuel•Mattsson | |
| Used name | Hansjacob•Mattsson | |
| Nick/petnames | Knubben | |
| Born | 2 June 1890 in Gävle, Gävleborg |  SWE |
| Died | 1 December 1980 (aged 90 years 5 months 29 days) in Gävle, Gävleborg | SWE |
| Affiliations | IFK Gävle — Gävle, Gävleborg | SWE |
| NOC | Sweden | SWE |
Hansjacob Mattsson competed in hockey for Sweden at the 1920 Antwerpen Olympics. He was initially a bandy player. Mattson skated for Berliner SC in Germany. He owned a paintshop in Gävle, and later served as a board member for the newspaper Gefle Dagblad.
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1920 Summer Olympics | Ice Hockey (Ice Hockey) | SWE |
Hansjacob Mattsson | |||
| Ice Hockey, Men (Olympic) | Sweden | 4 |
