1991 Fed Cup

The 1991 Federation Cup was the 29th edition of the most important competition between national teams in women's tennis. The tournament was held at the Nottingham Tennis Centre in Nottingham, United Kingdom, from 18–28 July. Spain defeated the United States in the final (in what was a rematch of the 1989 Federation Cup final), giving Spain their first title.

Winning nations advanced to World Group, nations that lost in the first round played in consolation rounds.

The sixteen losing teams in the World Group first round ties played off against each other in the first round. The losing teams then went to play-off again, with those that lost twice being relegated to Zonal Competition in 1992.

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