The 1975 Aryamehr Cup was a men's professional tennis tournament played on outdoor clay courts at the Imperial Country Club in Tehran in Iran. It was part of the 1975 Commercial Union Assurance Grand Prix as a Group AA category event. The tournament was held from 20 October through 26 October 1975. Eddie Dibbs won the singles title.
Eddie Dibbs defeated Iván Molina 1–6, 6–4, 7–5, 6–4
- It was Dibbs' 1st title of the year and the 5th of his career.
Juan Gisbert, Sr. / Manuel Orantes defeated Bob Hewitt / Frew McMillan 7–5, 6–7, 6–1, 6–4
- It was Gisbert's 6th title of the year and the 18th of his career. It was Orantes' 4th title of the year and the 18th of his career.