Athletes Unlimited (also known by its abbreviation AU) is a women's professional sports organization based in the United States that organizes and administers competitions in the sports of basketball, softball, volleyball, and formerly lacrosse.

Athletes share in the league profits, and are involved in the daily decision making.

[4] Players earn points based on both their team and individual performances, and are ranked accordingly.

[13] The AUSL will become a city-based league beginning in 2026, while the inaugural season in 2025 will be touring with games in six to eight different cities.

[17] The AUSL All-Star Cup (formerly known as Athletes Unlimited Pro Softball) is played annually at the Parkway Bank Sports Complex in Rosemont, Illinois over four weeks during summer.

[19] Danielle O'Toole won the inaugural AUX softball competition with 1,436 points.

[29] Athletes Unlimited Pro Lacrosse features a "short-form, fast-paced" format.

[30][32] The inaugural 2021 season took place from July 19 to August 22 in Boyds, Maryland at Maureen Hendricks Field.

[36] Goalie Taylor Moreno became the first player to win two Athletes Unlimited championships.