The 2018 Grand Prix Hassan II was a professional tennis tournament played on clay courts.

It was the 34th edition of the tournament and part of the 2018 ATP World Tour.

It took place in Marrakesh, Morocco between 9 and 15 April 2018.

The following players received wildcards into the singles main draw: The following players received entry using a protected ranking: The following players received entry from the qualifying draw: The following player received entry as a lucky loser: The following pairs received wildcards into the doubles main draw: