Pierre Mellina (born 25 February 1957) is a Luxembourgish politician and retired athlete.
He is currently the Mayor of Pétange, a commune in the far south-west of the country, standing for the Christian Social People's Party (CSV). He was previously a member of the communal council (1994 – 99) and an échevin (2000 – 04) in Pétange.
In the early 1980s, Mellina was one of Luxembourg's foremost long-distance runners, winning the Luxembourgian national championships in the 5,000 (1981, 1982) and the 10,000 metres (1982). He won the Eurocross cross country competition in Diekirch in 1981.