1978 Swiss Indoors

The 1978 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 1978 Colgate-Palmolive Grand Prix. It was the 10th edition of the tournament and was held from 24 October through 29 October 1978. First-seeded Guillermo Vilas won the singles title.

Singles
🇦🇷 Guillermo Vilas defeated 🇺🇸 John McEnroe 6–3, 5–7, 7–5, 6–4
 * It was Vilas' 6th singles title of the year and the 41st of his career.

Doubles
🇺🇸 John McEnroe / 🇵🇱 Wojciech Fibak defeated 🇺🇸 Bruce Manson / Andrew Pattison 7–6, 7–5