Tomáš Berdych defeated Ivan Ljubičić in the final, 6–3, 6–4, 3–6, 4–6, 6–4 to win the singles tennis title at the 2005 Paris Masters.[1][2]
Marat Safin was the reigning champion, but did not compete.
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated. All sixteen seeds received a bye into the second round.