The NWSL x Liga MX Femenil Summer Cup (Spanish: Summer Cup LIGA MX Femenil X NWSL)[1] is a women's soccer competition between clubs from the National Women's Soccer League (NWSL) of the United States and Liga MX Femenil of Mexico.

[3] The 2025 season is not expected to see the return of the NWSL x Liga MX Femenil Summer Cup.

[4] The 2024 edition had 20 teams: all 14 teams in the NWSL and six participants from Liga MX Femenil determined by the most points in the 2023 Apertura and Clausura tournaments (Club América, Guadalajara, Monterrey, Pachuca, Club Tijuana, and Tigres UANL).

The four teams with the most points in the group stage advanced to the semifinals in early August; the championship match was held in late October 2024.

[6] The group stage was scheduled during the NWSL regular season's break for the 2024 Summer Olympics and international games.