2001 International Raiffeisen Grand Prix
Date	21–27 May
Edition	21st
Category	International Series
Draw	32S/16D
Prize money	$400,000
Surface	Clay / Outdoor
Location	Sankt Pölten, Austria
Champions
Singles
Andrea Gaudenzi[1]
Doubles
Petr Pála / David Rikl[2]
← 2000 · International Raiffeisen Grand Prix · 2002 →

The 2001 International Raiffeisen Grand Prix was a men's tennis tournament played on outdoor clay courts in Sankt Pölten in Austria and was part of the International Series of the 2001 ATP Tour. It was the 21st edition of the tournament and took place from 21 May through 27 May 2001. Unseeded Andrea Gaudenzi, who entered the tournament on a wildcard, won the singles title.

Andrea Gaudenzi defeated Markus Hipfl 6–0, 7–5

• It was Gaudenzi's 1st title of the year and the 4th of his career.

Petr Pála / David Rikl defeated Jaime Oncins / Daniel Orsanic 6–3, 5–7, 7–5

• It was Pála's only title of the year and the 1st of his career. It was Rikl's 2nd title of the year and the 21st of his career.