2021 Billie Jean King Cup Europe/Africa Zone Group III – play-offs

The play-offs of the 2021 Billie Jean King Cup Europe/Africa Zone Group III were the final stages of the Group III zonal competition involving teams from Europe and Africa. Using the positions determined in their pools, the twenty-one teams faced off to determine their placing in the 2021 Billie Jean King Cup Europe/Africa Zone Group III. The top two teams advanced to Billie Jean King Cup Europe/Africa Zone Group II.

1st to 6th play-offs
The first placed teams of each pool were drawn in head-to-head rounds. The winners advanced to Group II in 2022.

7th to 12th play-offs
The second placed teams of each pool were drawn in head-to-head rounds to find the equal 7th placed teams.

13th to 18th play-offs
The third placed teams of each pool were drawn in head-to-head rounds to find the equal 13th placed teams.

19th to 21st play-offs
The fourth placed teams of each pool were drawn in head-to-head rounds to find the 19th placed team.

Final placements

 * ' and ' were promoted to Europe/Africa Zone Group II in 2022.