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.
Finals
Singles
Roger Federer defeated 
Ivan Ljubičić, 6–3, 6–1
- It was Federer's 1st title of the year and the 23rd of his career.
Doubles
Albert Costa / Rafael Nadal defeated 
Andrei Pavel / 
Mikhail Youzhny, 6–3, 4–6, 6–3
- It was Costa's only title of the year and the 13th of his career. It was Nadal's 1st title of the year and the 4th of his career.
References
- ^ "2005 Doha – Singles draw". Association of Tennis Professionals (ATP).
- ^ "2005 Doha – Doubles draw". Association of Tennis Professionals (ATP).