Tim Wiedemeyer (born 14 January 2005) is a German amateur golfer.

In 2023, he won the Jacques Léglise Trophy and he defended his title at the German Boys & Girls Open.

[2] The same year he won the European Young Masters with the team and was runner-up individually, behind Jorge Siyuan Hao of Spain.

[3] He won the European Boys' Team Championship back-to-back, 2021 in Denmark and in 2022 at Golf Club St.

[5][6] He became the first golfer to win the Jacques Léglise Trophy with the continental European team three times 2021, 2022 and 2023, and was unbeaten in his first two appearances.