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.

[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.

List of Olympic men's ice hockey players for Switzerland

This Swiss biographical article relating to ice hockey is a stub.