The 2006 Davis Cup was the 95th edition of the most important tournament between nations in men's tennis.

Sixteen teams participated in the World Group and 125 participated in total.

The first round matches were played 10–12 February and the final took place 1–3 December 2006 at Olympic Stadium in Moscow, with Russia defeating Argentina.

[1][2][3][4] First round losers play along with Zonal Group I qualifiers in World Group play-offs.

Date: 22–24 September Venue: Maya Country Club, Santa Tecla, El Salvador (clay) Date: 14–18 June (scores in italics carried over from Groups) Venue: Manila Polo Club, Makati, Manila, Philippines (indoor clay) Date: 19–23 July (scores in italics carried over from Groups) Venue: Al Hussein Tennis Club, Amman, Jordan (hard) Date: 6–9 April