1974 Suisse Open Gstaad – Singles

The 1974 Suisse Open Gstaad – Singles was an event of the 1974 Suisse Open Gstaad tennis tournament and was played on outdoor red clay courts in Gstaad, Switzerland from 8 July until 14 July 1974. The draw consistent of 32 players. Ilie Năstase was the defending Swiss Open singles champion but did not compete in this edition. Guillermo Vilas won the title by defeating Manuel Orantes in the final, 6–1, 6–2.