1977 Swiss Open Championships

The 1977 Swiss Open Championships was a men's tennis tournament played on outdoor clay courts in Gstaad, Switzerland. It was the 32nd edition of the tournament and was held from 3 July through 10 July 1977. The tournament was part of the Grand Prix tennis circuit with a total prize money available of $75,000. Fourth-seeded Jeff Borowiak won the singles title.

Singles
🇺🇸 Jeff Borowiak defeated 🇫🇷 Jean-François Caujolle 2–6, 6–1, 6–3
 * It was Borowiak's 2nd singles title of the year and the 4th of his career.

Doubles
Jürgen Fassbender / Karl Meiler defeated  Colin Dowdeswell /  Bob Hewitt 6–4, 7–6