|Born|| (1919-12-31) 31 December 1919
|Height||1.82 m (6 ft 0 in)|
|Weight||70 kg (150 lb)|
|Club||I14 IF, Gävle|
|Achievements and titles|
|Personal best(s)||400 m – 48.1 (1947)|
Arvid Folke Alnevik (born 31 December 1919) is a former Swedish sprinter who specialized in the 400 metres. He had his best results in the 4×400 metre relay, winning bronze medals at the 1946 European Championships and 1948 Summer Olympics. Alnevik was a career military officer and retired with the rank of major. After that he worked as a sports functionary and was a driving force behind promotion of golf in Gävle area. As of the 2018 Winter Olympics he holds the status as the oldest living Olympic medalist.