The 1978 Fischer-Grand Prix was a tennis tournament played on indoor hard courts at the Wiener Stadthalle in Vienna in Austria that was part of the 1978 Colgate-Palmolive Grand Prix. The tournament began on October 29, 1978.
Stan Smith defeated Balázs Taróczy 4–6, 7–6, 7–6, 6–3
- It was Smith's 5th title of the year and the 72nd of his career.
Victor Pecci / Balázs Taróczy defeated Bob Hewitt / Frew McMillan 6–3, 6–7, 6–4
- It was Pecci's 5th title of the year and the 8th of his career. It was Taróczy's 5th title of the year and the 8th of his career.