The 2003 Qatar Open, known as the 2003 Qatar ExxonMobil Open, for sponsorship reasons, was a men's tennis tournament played on outdoor hard courts at the Khalifa International Tennis Complex in Doha in Qatar and was part of the International Series of the 2003 ATP Tour. The tournament ran from 30 December 2002 through 5 January 2003. Unseeded Stefan Koubek won the singles title.
See main article: 2003 Qatar Open – Singles. 
Stefan Koubek defeated 
Jan-Michael Gambill 6–4, 6–4
See main article: 2003 Qatar Open – Doubles. 
Martin Damm / Cyril Suk defeated Mark Knowles / 
Daniel Nestor 6–4, 7–6, [10–8]