| Birth Date: | 29 July 1883 |
| Birth Place: | Chur, Switzerland |
| Death Place: | Zürich, Switzerland |
| Ntl Team: | SUI |
| Career Start: | 1910 |
| Career End: | 1932 |
Wilhelm Max Gerhard Holsboer (sometimes Holzboer; 29 July 1883 – 12 January 1958) was a Swiss ice hockey player who competed in the 1920 Summer Olympics. He later appeared in several films.[1] In 1920, he participated with the Swiss ice hockey team in the Summer Olympics tournament.[2]
Holsboer was born 29 July 1883 in Chur, Switzerland, the youngest of seven children, to Willem Jan Holsboer, a Dutch-born Swiss citizen who was primarily known for founding Rhaetian Railways and turning Davos into a tourism destination, and Ursula Holsboer (née Busch), a native of Davos.
He was married to Anna Seibold, they did not have any children.
List of Olympic men's ice hockey players for Switzerland