| 1991 Grand Prix de Tennis de Toulouse | |
|---|---|
| Date | 30 September – 6 October |
| Edition | 10th |
| Category | World Series |
| Surface | Carpet / Indoor |
| Location | Toulouse, France |
| Champions | |
| Singles | |
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| Doubles | |
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The 1991 Grand Prix de Tennis de Toulouse was a men's tennis tournament played on Indoor Carpet in Toulouse, France that was part of the World Series of the 1991 ATP Tour. It was the tenth edition of the tournament and was held from 30 September – 6 October.
Guy Forget def.
Amos Mansdorf, 6–2, 7–6.
Tom Nijssen /
Cyril Suk def.
Jeremy Bates /
Kevin Curren, 4–6, 6–3, 7–6.