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.

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