Melin is a surname. Notable people with the surname include:
Berith Melin (1918-1977), All-American Girls Professional Baseball League player
Björn Melin (born 1981), Swedish professional ice hockey player
Mertil Melin (born 1945), Swedish Army General
Roger Melin (born 1956), Swedish ice hockey player and head coach
Sten Melin (born 1957), Swedish composer
Ulrika Melin (1767-1834), Swedish textile artist
Domingo Melín (dead 1880), Mapuche chief
