Astros Roster & Staff
Transactions
| Date | Transaction |
| 12/21/23 | Houston Astros signed free agent 1B Chris Gittens to a minor league contract. |
| 12/14/23 | Houston Astros signed free agent OF Frailin Yan to a minor league contract. |
| 12/12/23 | Houston Astros signed free agent RHP Tayler Scott to a minor league contract. |
| 12/07/23 | Houston Astros signed free agent C Victor Caratini. |
| 12/07/23 | Houston Astros signed free agent RHP Wander Suero to a minor league contract. |
| 12/06/23 | Kansas City Royals traded RHP Dylan Coleman to Houston Astros for RHP Carlos Mateo. |
| 12/06/23 | Kansas City Royals traded RHP Dylan Coleman to Houston Astros for RHP Carlos Mateo. |
| 12/03/23 | Houston Astros signed free agent LHP Brailyn Marquez to a minor league contract. |