The 2018 Grand Prix SAR La Princesse Lalla Meryem was a women's professional tennis tournament played on clay courts.

It was the 18th edition of the tournament and part of the WTA International tournaments category of the 2018 WTA Tour.

It took place in Rabat, Morocco, between 30 April and 5 May 2018.

The following players received wildcards into the singles main draw: The following players received entry using a protected ranking into the main draw: 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: