1991 Davis Cup World Group qualifying round
The 1991 Davis Cup World Group qualifying round was held from 20 to 22 September. They were the main play-offs of the 1991 Davis Cup. The winners of the playoffs advanced to the 1992 Davis Cup World Group, and the losers were relegated to their respective Zonal Regions I.
Teams
Bold indicates team had qualified for the 1992 Davis Cup World Group.From World Group'
- '
; From Asia/Oceania Group I
; From Europe/Africa Group I
- '
Results summary
Date: 20–22 SeptemberThe eight losing teams in the World Group first round ties and eight winners of the Zonal Group I final round ties competed in the World Group qualifying round for spots in the 1992 World Group.
| Home team | Score | Visiting team | Location | Venue | Door | Surface | |
| ' | 3–1 | Manchester | Northern Lawn Tennis Club | Outdoor | Grass | ||
| ' | 4–1 | Brussels | Royal Primerose Tennis Club | Outdoor | Clay | ||
| ' | 4–1 | São Paulo | Esporte Clube Pinheiros | Outdoor | Clay | ||
| 2–3 | ' | Havana | Complejo de Canchas | Outdoor | Hard | ||
| ' | 4–1 | Bari | Bari Tennis Club | Outdoor | Clay | ||
| 0–5 | ' | Mexico City | Club Alemán de México | Outdoor | Clay | ||
| ' | 5–0 | Baden | Bareeg Tennis Club | Indoor | Carpet | ||
| 0–5 | ' | Manila | Ninoy Aquino Stadium | Indoor | Carpet |