1991 Austrian Tennis Grand Prix

The 1991 Austrian Tennis Grand Prix was a women's tennis tournament played on indoor carpet courts at the Intersport Arena in Linz, Austria that was part of Tier V of the 1991 WTA Tour. It was the fifth edition of the tournament and was held from 11 February through 17 February 1991. First-seeded Manuela Maleeva-Fragnière won the singles title and earned $18,000 first-prize money as well as 110 ranking points.

Singles
Manuela Maleeva-Fragnière defeated Petra Langrová 7–5, 6–3
 * It was Maleeva-Fragnière's 1st singles title of the year and the 13th of her career.

Doubles
Manuela Maleeva-Fragnière / 🇮🇹 Raffaella Reggi defeated Petra Langrová /  Radka Zrubáková 6–4, 1–6, 6–3
 * It was Maleeva-Fragnière's 1st doubles title of the year and the 3rd of her career. It was Reggi's 1st doubles title of the year and the 3rd of her career.