The 1974 Melia Trophy, also known as the Madrid Open, was a combined men's and women's tennis tournament played on outdoor clay courts at the Real Sociedad Hípica Española Club de Campo in Madrid, Spain. The men's tournament was classified as Group A category and was part of the 1974 Grand Prix circuit. It was the third edition of the tournament and was held from 7 October until 13 October 1974. Ilie Năstase and Helga Masthoff won the singles titles.[3][4]