1985 Geneva Open
Date	16–23 September
Edition	6th
Category	Grand Prix
Draw	32S / 16D
Prize money	$100,000
Surface	Clay / outdoor
Location	Geneva, Switzerland
Champions
Singles
Tomáš Šmíd[1]
Doubles
Sergio Casal / Emilio Sánchez[2]
← 1984 · Geneva Open · 1986 →

The 1985 Geneva Open was a men's tennis tournament played on outdoor clay courts that was part of the 1985 Nabisco Grand Prix. It was played at Geneva, Switzerland from 16 September through 23 September 1985. Third-seeded Tomáš Šmíd won the singles title.

Finals

Singles

Tomáš Šmíd defeated Mats Wilander 6–4, 6–4

• It was Šmíd's 6th title of the year and the 46th of his career.

Doubles

Sergio Casal / Emilio Sánchez defeated Carlos Kirmayr / Cássio Motta 6–4, 4–6, 7–5

• It was Casal's 3rd title of the year and the 3rd of his career. It was Sánchez's 2nd title of the year and the 2nd of his career.