1977 Belgian International Championships

The 1977 Belgian International Championships was a men's tennis tournament staged at the Leopold Club in Brussels, Belgium that was part of the Grand Prix circuit and categorized as a Two star event. The tournament was played on outdoor clay courts and was held from 6 June until 12 June 1977. It was the sixth edition of the tournament and first-seeded Harold Solomon won the singles title.

Singles
🇺🇸 Harold Solomon defeated Karl Meiler 7–5, 3–6, 2–6, 6–3, 6–4
 * It was Solomon's 1st singles title of the year and the 11th of his career.

Doubles
Željko Franulović / Nikola Pilić and  František Pála / 🇭🇺 Balázs Taróczy final not played, title shared