The 2020 Open de Cagnes-sur-Mer was a professional tennis tournament played on outdoor clay courts.

It was the twenty-third edition of the tournament which was part of the 2020 ITF Women's World Tennis Tour.

It took place in Cagnes-sur-Mer, France between 14 and 20 September 2020.

[1] The following players received wildcards into the singles main draw: The following player received entry using a junior exempt: The following player received entry through a special exempt: The following players received entry from the qualifying draw: The following player received entry as a lucky loser: