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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.
Ilie Năstase
Helga Masthoff
Patrice Dominguez / 
Antonio Muñoz
Lesley Charles / 
Björn Borg 6–4, 5–7, 6–2, 4–6, 6–4
Tine Zwaan 6–2, 6–4
Brian Gottfried / 
Raúl Ramírez 6–1, 6–3