EnglandDir | ||||||
|---|---|---|---|---|---|---|
| 12/31/2025 | Back from Loan | Santos | Chelsea | Forward | ||
 🏴Noni Madueke | 7/23/2025 | Transfer | Chelsea | Arsenal | Forward | |
 🇧🇷Estevão | 7/14/2025 | Transfer | Palmeiras | Chelsea | Forward | |
| 7/12/2025 | Free Transfer | Chelsea | Strasbourg | Midfielder | ||
 🏴Carney Chukwuemeka | 7/6/2025 | Back from Loan | Borussia Dortmund | Chelsea | Midfielder | |
 🏴Jamie Gittens | 7/5/2025 | Transfer | Borussia Dortmund | Chelsea | Forward | |
 🏴Bashir Humphreys | 7/1/2025 | Transfer | Chelsea | Burnley | Defender | |
| 7/1/2025 | Free Agent | Chelsea | Released | Goalkeeper | ||
| 7/1/2025 | Transfer | Chelsea | Arsenal | Goalkeeper | ||
 🏴Eddie Beach | 7/1/2025 | Free Agent | Chelsea | Released | Goalkeeper | |
 🇪🇨Ray Páez | 7/1/2025 | Transfer | Independiente del Valle | Chelsea | Midfielder | |
| 7/1/2025 | Transfer | Brighton | Chelsea | Forward | ||
 🏴Jadon Sancho | 6/30/2025 | Back from Loan | Chelsea | Manchester Utd | Forward | |
 🏴Alfie Gilchrist | 6/30/2025 | Back from Loan | Sheffield Utd | Chelsea | Defender | |
| 6/30/2025 | Back from Loan | Southampton | Chelsea | Midfielder | ||
| 6/30/2025 | Back from Loan | Bournemouth | ChelseaUntil 7/1/2025 | Goalkeeper | ||
 🏴Armando Broja | 6/30/2025 | Back from Loan | Everton | Chelsea | Forward | |
| 6/30/2025 | Back from Loan | Arsenal | Chelsea | Forward | ||
| 6/30/2025 | Back from Loan | Strasbourg | Chelsea | Goalkeeper | ||
 🏴Ben Chilwell | 6/30/2025 | Back from Loan | Crystal Palace | Chelsea | Defender | |
| 6/30/2025 | Back from Loan | Watford | Chelsea | Defender | ||
🏴Bashir Humphreys | 6/30/2025 | Back from Loan | Burnley | ChelseaUntil 7/1/2025 | Defender | |
 🏴Marcus Bettinelli | 6/10/2025 | Transfer | Chelsea | Manchester City | Goalkeeper | |
| 6/10/2025 | Transfer | Sporting CP | Chelsea | Midfielder | ||
| 6/9/2025 | Transfer | Strasbourg | Chelsea | Defender | ||
 🏴Liam Delap | 6/4/2025 | Transfer | Ipswich Town | Chelsea | Forward | |
| 6/2/2025 | Back from Loan | Juventus | Chelsea | Defender | ||
| 6/1/2025 | Back from Loan | Genk | Chelsea | Goalkeeper |
