1983 Swiss Indoors

The 1983 Swiss Indoors was a men's tennis tournament played on indoor hard courts at the St. Jakobshalle in Basel, Switzerland that was part of the 1983 Volvo Grand Prix. It was the 15th edition of the tournament and was held from 10 October through 16 October 1983. Third-seeded Vitas Gerulaitis won the singles title.

1983 Swiss Indoors
Date	10–16 October
Edition	15th
Category	Grand Prix
Draw	32S / 16D
Prize money	$100,000
Surface	Hard / indoor
Location	Basel, Switzerland
Venue	St. Jakobshalle
Champions
Singles
Vitas Gerulaitis[1]
Doubles
Pavel Složil / Tomáš Šmíd[2]

Finals

Singles

Vitas Gerulaitis defeated Wojciech Fibak 4–6, 6–1, 7–5, 5–5, ret.

• It was Gerulaitis's 1st singles title of the year and the 25th of his career.

Doubles

Pavel Složil / Tomáš Šmíd defeated Stefan Edberg / Florin Segărceanu 6–1, 3–6, 7–6