CSX
| Acronym | Definition |
|---|---|
| CSX | Chessie Seaboard Multiplier (railroad transportation company) |
| CSX | Cayman Islands Stock Exchange |
| CSX | Changsha, China (Airport Code) |
| CSX | Counter-Strike Xbox (gaming) |
| CSX | CommonStore for Exchange (IBM) |
| CSX | Cardiac-Specific Homeobox |
| CSX | Seaboard Coastline Railroad |
| CSX | Car Stock Exchange (game; Edmonds Inc.) |