| Competition: | United Women's Soccer |
| Season: | 2021 |
| Winners: | Santa Clarita Blue Heat |
| League Topscorer: | Kennedy Kessler 11 goals |
| Biggest Home Win: | MWU 12–0 June 13 |
| Biggest Away Win: | MUS 0–10 DFC June 5 |
| Highest Scoring: | MWU 12–0 June 13 |
| Matches: | 187 |
| Total Goals: | 753 |
| Longest Wins: | 10 matches Chicago Mustangs Lone Star Republic (entire season) |
| Longest Unbeaten: | 10 matches Chicago Mustangs Lone Star Republic Midwest United FC (entire season) |
| Longest Losses: | 10 matches Indiana Elite (entire season) |
| Prevseason: | 2019 |
| Nextseason: | 2022 |
| Updated: | July 26, 2021 |
The 2021 United Women's Soccer season is the 27th season of pro-am women's soccer in the United States, and the fifth season of the UWS league.