Vetle Bergsvik Thorn (born 22 May 1999)[1][2] is a Norwegian triathlete.

His achievements include two gold medals at the 2023 European Games, in men's individual competition and in the mixed relay.

[3] He also competed for Norway at the 2024 Summer Olympics, finishing 17th in the men's triathlon event.

[4] He won a gold medal in the men's individual competition at the 2023 European Games in Poland, one second ahead of silver medal winner Israeli Shachar Sagiv.

[5][6] He was also part of the Norwegian winning team in the mixed relay at the 2023 European Games, along with Lotte Miller, Casper Stornes and Solveig Løvseth.