The 2008 Davis Cup was the 97th edition of the most important tournament between national teams in men's tennis.

The final took place on November 21–23 at Estadio Polideportivo Islas Malvinas, Mar del Plata, Argentina, with Spain beating Argentina 3–1 to clinch their 3rd Davis Cup title.

Scores in italics carried over from groups Top two teams advance to 1st–4th Play-off, bottom two teams advance to 5th–8th Play-off.

Note: Tie between Bosnia & Herzegovina, Lithuania, and Estonia (Pool B) broken on number of rubbers won.

Tie between Andorra, Armenia, and Ghana (6th–8th) broken on number of rubbers won.