The 1980 Fischer-Grand Prix was a men's tennis tournament played on indoor hard courts at the Wiener Stadthalle in Vienna, Austria that was part of the 1980 Volvo Grand Prix. It was the sixth edition of the tournament and was held from 20 October until 26 October 1980. First-seeded Brian Gottfried won the singles title, his second at the event after 1977.
See main article: 1980 Fischer-Grand Prix – Singles. 
Brian Gottfried defeated Trey Waltke 6–2, 6–4, 6–3
See main article: 1980 Fischer-Grand Prix – Doubles. Robert Lutz / Stan Smith defeated Heinz Günthardt / Pavel Složil 6–1, 6–2