Merlin Hummel (born 4 January 2002) is a German hammer thrower. He won the German Athletics Championships in 2022 and won a silver medal at the 2023 European Athletics U23 Championships and represented Germany at the 2024 Olympic Games. He also competed at the 2023 World Athletics Championships.
He is a member of ULC Kulmbach. He was a 2021 European Athletics U20 Championships silver medallist in Tallinn, Estonia, in 2021. He finished runner-up at the U23 European Throwing Cup in 2022. He won the senior German Athletics Championships title for the first time in June 2022, ahead of the experienced campaigner and defending champion Tristan Schwandke.
Competing in Andujar, Spain in June 2023 he won a meeting title on the World Continental Tour with a personal best of 76.28 meters. He was a 2023 European Athletics U23 Championships silver medallist in Espoo, Finland in July 2023 behind Mykhaylo Kokhan but beating compatriot Soren Klose. He competed at the 2023 World Athletics Championships in Budapest, Hungary, but suffered a slipped disk to his back.
He won the German Winter Throwing Cup in Halle with a throw of 75.45 metres in February 2024. He set a new personal best of 77.65 metres in Langenbrand in May 2024.
He threw 79.25 metres to set a European U23 lead at the 2024 European Athletics Championships in Rome, Italy in June 2024, and ultimately placed fourth overall. He competed in the hammer throw at the 2024 Olympics Games, in Paris, France, placing tenth overall with a throw of 76.03 metres.
In May 2025 in Halle, he threw a lifetime best 80.11 metres and became the first German in 18 years to break the 80 metres-barrier. He then threw a personal best of 81.23 m in winning the Hammerwurf-Meeting in Fränkisch-Crumbach, Germany in June 2025. He represented Germany at the 2025 European Athletics Team Championships, where he threw a personal best of 81.27 metres, to finish second in the First Division. He finished third at the 2025 Kamila Skolimowska Memorial, in Poland, on 16 August.
In September 2025, he was a silver medalist competing in the hammer throw at the 2025 World Championships in Tokyo, Japan, with a personal best throw of 82.77 metres.
He is from Burghaig in the Kulmbach district of Bavaria.