Martín Fiz, Spanish runner
Martín Fiz Martín (born 3 March 1963 in Vitoria-Gasteiz, Álava) is a long-distance runner from Spain, who won the marathon at the 1994 European Championships in Athletics in Helsinki and repeated his success at the 1995 World Championships in Athletics in Gothenburg. The same year he captured the title in the Rotterdam Marathon.

At the 1996 Summer Olympics in Atlanta Fiz came fourth in the marathon. A year later he won a silver medal at the 1997 World Championships in Athletics in Athens, finishing behind his countryman Abel Anton. He competed in three consecutive Summer Olympics for his native country, starting in 1992.

Fiz has continued running into masters age divisions, setting the world M55 record in the road 10K at 31:36 on January 13, 2019 in Valencia.