Nationals Roster & Staff
Transactions
| Date | Transaction |
| 01/28/22 | Washington Nationals signed free agent CF Rudy Martin to a minor league contract. |
| 01/24/22 | Washington Nationals signed free agent LHP Nick Wells to a minor league contract. |
| 01/18/22 | Washington Nationals signed free agent 1B Wilson Garcia to a minor league contract. |
| 01/15/22 | Washington Nationals signed free agent 2B Albert Casado to a minor league contract. |
| 01/15/22 | Washington Nationals signed free agent OF Cristhian Vaquero to a minor league contract. |
| 01/15/22 | Washington Nationals signed free agent RHP Ramon Cuevas to a minor league contract. |
| 01/15/22 | Washington Nationals signed free agent C Jeremy Bautista to a minor league contract. |
| 01/15/22 | Washington Nationals signed free agent LHP Marlon Perez to a minor league contract. |
| 01/15/22 | Washington Nationals signed free agent 3B Misael Mojica to a minor league contract. |
| 01/15/22 | Washington Nationals signed free agent RHP Miguel Moreno to a minor league contract. |
| 01/15/22 | Washington Nationals signed free agent SS Jorgelys Mota to a minor league contract. |
| 01/15/22 | Washington Nationals signed free agent C Helder Rosario to a minor league contract. |
| 01/15/22 | Washington Nationals signed free agent RHP Camilo Sanchez to a minor league contract. |
| 01/10/22 | Washington Nationals signed free agent LHP Brian Gonzalez to a minor league contract. |
| 01/08/22 | Washington Nationals signed free agent RHP Ramon Santos to a minor league contract. |
| 01/08/22 | Washington Nationals signed free agent RF Rusney Castillo to a minor league contract. |
| 01/07/22 | Washington Nationals signed free agent 1B Joey Meneses to a minor league contract. |