2018 Davis Cup

The 2018 Davis Cup was the 107th edition of the Davis Cup, a tournament between national teams in men's tennis. It was sponsored by BNP Paribas. In 2018, new rules were introduced for the Group I and II zonal events, with ties now being played as best-of-three sets over the course of two days.

Croatia won their second Davis Cup on indoor clay in the final match held at 25 November with a 3–1 win over France.

Guam made its first appearance in the tournament.