The 2019 Qatar Open (also known as 2019 Qatar ExxonMobil Open for sponsorship reasons) was a men's tennis tournament played on outdoor hard courts. It was the 27th edition of the Qatar Open, and part of the ATP Tour 250 series of the 2019 ATP Tour. It took place at the Khalifa International Tennis and Squash Complex in Doha, Qatar, from 31 December 2018 until 5 January 2019. Seventh-seeded Roberto Bautista Agut won the singles title.
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
The following player received entry by a lucky loser:
The following pairs received wildcards into the doubles main draw: