The 2005 Qatar Open, known as the 2005 Qatar ExxonMobil Open, for sponsorship reasons, was a men's ATP tournament held in Doha, Qatar. It was the 13th edition of the tournament and was held from 3 January through 10 January 2005. First-seeded Roger Federer won the singles title.
See main article: 2005 Qatar Open – Singles. Roger Federer defeated Ivan Ljubičić, 6–3, 6–1
See main article: 2005 Qatar Open – Doubles. Albert Costa / Rafael Nadal defeated Andrei Pavel / Mikhail Youzhny, 6–3, 4–6, 6–3