2018 Fed Cup Americas Zone Group II – play-offs

The play-offs of the 2018 Fed Cup Americas Zone Group II were the final stages of the Group II Zonal Competition involving teams from the Americas. Using the positions determined in their pools, the thirteen teams faced off to determine their placing in the 2018 Fed Cup Americas Zone Group II. The top two teams advanced to Group I in 2019.

Promotional play-offs
The first placed teams of the four pools were drawn in head-to-head rounds. The winners advanced to Group I.

Third to fourth place play-offs
The second placed teams of the four pools were drawn in head-to-head rounds to determine the 3rd to 4th placings.

Fifth to sixth place play-offs
The third placed teams of the four pools were drawn in head-to-head rounds to determine the 5th to 6th placings.

Final placements

 * ' and ' advanced to Americas Zone Group I in 2019.