| 12/31/24 | Shelby Hogan | GFC | Traded to GFC with $40,000 allocation money from POR for $10,000 intra-league transfer funds and 2025 international roster spot |
| 12/31/24 | Jéssica Silva | GFC | Signed short-term contract through June 30, 2025 |
| 12/30/24 | Karlie Lema | BAY | Signed 3-year contract, 2028 mutual option |
| 12/30/24 | Mia Justus | UTA | Signed 3-year contract |
| 12/30/24 | Nicole Barnhart | WAS | Announced retirement |
| 12/30/24 | Gabi Portilho | GFC | Signed 2-year contract, 2027 mutual option via transfer from Corinthians (Brasileirão Feminino) |
| 12/27/24 | Yazmeen Ryan | HOU | Traded to HOU from GFC for $400,000 allocation money and 2025 international roster spot |
| 12/24/24 | Stella Nyamekye | GFC | Signed 3-year contract, 2028 club option via transfer from Dreamz Ladies FC (Ghana Women’s Premier League) |
| 12/23/24 | Bella Bixby | POR | Signed 1-year contract, 2026 club option |
| 12/23/24 | Lorena | KC | Signed 3-year contract, 2028 mutual option |
| 12/23/24 | Macey Hodge | LA | Signed 2-year contract, 2027 club option |
| 12/23/24 | Sarah Schupansky | GFC | Signed 2-year contract, 2027 club option |
| 12/23/24 | Hillary Beal | SD | Signed 1-year contract |
| 12/20/24 | Raquel "Rocky" Rodríguez | KC | Traded to KC from LA for $100,000 in intra-league transfer funds |
| 12/20/24 | Katie Johnson | LA | Announced retirement |
| 12/20/24 | Jaelin Howell | GFC | Traded to GFC from SEA for Lynn Williams and Cassie Miller |
| 12/20/24 | Cassie Miller | SEA | Traded to SEA from GFC with Lynn Williams for Jaelin Howell, $70,000 in allocation money, and 2025 international roster spot |
| 12/20/24 | Lynn Williams | SEA | Traded to SEA from GFC with Cassie Miller for Jaelin Howell, $70,000 in allocation money, and 2025 international roster spot |
| 12/19/24 | Laurel Ivory | KC | Signed 1-year contract, 2026 mutual option via free agency |
| 12/19/24 | Mandy Freeman | GFC | Signed 2-year contract |
| 12/19/24 | Brooklyn Courtnall | NC | Signed 3-year contract |
| 12/18/24 | Christen Westphal | HOU | Signed 2-year contract, 2027 mutual option |
| 12/18/24 | Alex Loera | UTA | Signed 3-year contract |
| 12/18/24 | Alex Loera | UTA | Traded to UTA from BAY for $25,000 in intra-league transfer funds and 15% sell-on fee |
| 12/17/24 | Becky Sauerbrunn | POR | Announced retirement |
| 12/17/24 | Julie Dufour | LA | Signed 3-year contract via transfer from Paris FC (Division 1 Féminine) |
| 12/17/24 | Narumi Miura | WAS | Signed 2-year contract, 2027 mutual option via free agency |
| 12/16/24 | Mary Alice Vignola | LA | Signed 2-year contract |
| 12/13/24 | Quincy McMahon | SD | Signed 3-year contract |
| 12/13/24 | Daiane Limeira | POR | Signed 2-year contract via transfer from Flamengo (Brasileirão Feminino) |
| 12/13/24 | Kaylie Collins | WAS | Signed 1-year contract |
| 12/11/24 | Kat Asman | ORL | Signed 2-year contract |
| 12/11/24 | KK Ream | UTA | Signed 3-year contract |
| 12/11/24 | Heather Hinz | HOU | HOU exercised option through 2025 |
| 12/11/24 | Hanna Lundkvist | SD | Mutual option exercised through 2025 |
| 12/10/24 | Nádia Gomes | CHI | Signed short-term contract through March 25, 2025 |
| 12/10/24 | Camryn Biegalski | CHI | Signed 1-year contract |
| 12/10/24 | Amanda West | HOU | Signed 2-year contract, 2027 mutual option |
| 12/10/24 | Mallie McKenzie | POR | Signed 1-year contract |
| 12/10/24 | Allysha Chapman | HOU | Signed 2-year contract, 2027 mutual option |
| 12/10/24 | Sophie Hirst | POR | Signed 2-year contract |
| 12/10/24 | Christen Westphal | HOU | Traded to HOU from SD for 2025 international roster spot, $14,000 allocation money |
| 12/10/24 | Elli Pikkujämsä | LOU | Signed 1-year contract |
| 12/10/24 | Jyllissa Harris | HOU | Signed 2-year contract, 2027 mutual option |
| 12/9/24 | Jamie Shepherd | BAY | Signed 1-year contract, 2026 mutual option |
| 12/9/24 | Caroline Conti | BAY | Signed 1-year contract, 2026 mutual option |
| 12/9/24 | Emmie Allen | BAY | Signed 1-year contract, 2026 mutual option |
| 12/9/24 | Halle Mackiewicz | CHI | Signed 1-year contract |
| 12/6/24 | Sam Hiatt | POR | Signed 2-year contract, 2027 mutual option |
| 12/6/24 | Kiki Van Zanten | HOU | Signed 2-year contract, 2027 mutual option |
| 12/5/24 | Nichelle Prince | KC | Signed 2-year contract, 2027 mutual option |
| 12/5/24 | Avery Patterson | HOU | Signed 3-year contract |
| 12/5/4 | Maitane López | CHI | Signed 2-year contract via free agency |
| 12/4/24 | Madison Curry | SEA | Signed 3-year contract via free agency |
| 12/4/24 | Hannah Stambaugh | ACFC | Signed 1-year contract |
| 12/4/24 | Delanie Sheehan | HOU | Signed 2-year contract, 2027 mutual option via free agency |
| 11/29/24 | Carrie Lawrence | ORL | Announced retirement at the conclusion of the 2024 NWSL season |
| 11/22/24 | Claire Emslie | ACFC | Signed 2-year contract |
| 11/20/24 | Hanna Glas | SEA | Signed 1-year contract, 2026 mutual option |
| 11/20/24 | Maddie Moreau | BFC | Signed 1-year contract, 2026 mutual option |
| 11/19/24 | Penelope Hocking | BFC | Signed 3-year contract extension, 2028 and 2029 mutual options |
| 11/15/24 | Opeyemi Ajakaye | KC | Loaned to Carolina Ascent (USL Super League)
Signed 1-year contract |
| 11/9/24 | Heather Hinz | HOU | Loaned to Fort Lauderdale United FC (USL Super League) through Feb. 16, 2025 |
| 11/7/24 | Celia Jiménez Delgado | ORL | Announced retirement at the conclusion of the 2024 NWSL season |
| 11/7/24 | Jess Fishlock | SEA | Signed 1-year contract |
| 11/7/24 | Trinity Byars | SAN | Signed 3-year contract, 2027 mutual option |
| 11/7/24 | Ryan Williams | NC | Signed 3-year contract extension |
