The 2022 Thoreau Tennis Open was a professional tennis tournament played on outdoor hard courts.

It was the third edition of the tournament which was part of the 2022 WTA 125 tournaments.

It took place at The Thoreau Club in Concord, Massachusetts between 8 and 14 August 2022.

[1] The following players received wildcards into the singles main draw: The following player received entry into the singles main draw through protected ranking: The following players received entry from the qualifying draw: The following player received entry as a lucky loser: † Rankings are as of 1 August 2022