Nick Thumm (born 19 October 2004) is a German javelin thrower. In 2025, he was a silver medalist at the European U23 Championships and the World University Games.
Thumm won the gold medal in the Under 23 javelin at the 2025 European Throwing Cup in Nicosia in March 2025, with a throw of 77.09 metres. Thumm won the silver medal at the 2025 European Athletics U23 Championships in Bergen, Norway with a personal best javelin throw of 80.74 metres.
Thumm was the silver medalist behind Simon Wieland in the javelin throw at the 2025 Summer World University Games in Bochum, Germany, with a throw of 77.91 metres.
In February 2026, Thumm won the senior German Outdoor Throwing Championships with a personal best 82.03 metres throw. The following month, he won the javelin throw at the 2026 European Throwing Cup in Nicolas, Cyprus, where he threw over 80 metres a number of times with a best throw of 81.05 metres to finish ahead of Switzerland's Simon Wieland.
From Stuttgart, he studied at the IU International University. He is coached by his father, Karsten Thumm.