The 1980 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. The tournament was played on outdoor clay courts and was held from 9 June until 15 June 1980. It was the ninth edition of the tournament and third-seeded Peter McNamara won the singles title.[1]
Peter McNamara defeated Balázs Taróczy 7–6, 6–3, 6–0
Thierry Stevaux / Steve Krulevitz defeated Eric Fromm / Cary Leeds 6–3, 7–5