Kastoria Bus Lines
| Parent | Northern Transit Holdings |
|---|---|
| Commenced operation | May 1964 |
| Ceased operation | 30 June 2025 (Route services only) |
| Headquarters | Westmeadows |
| Service area | North-Western Melbourne |
| Service type | Bus operator |
| Routes | 5 (until June 2025) |
| Fleet | 82 (November 2022) |
| Chief executive | Dom Sita |
| Website | www.kastoria.com.au |
Kastoria Bus Lines is a school and charter bus and coach operator in Melbourne, Australia. It is owned by Northern Transit Holdings, which also operates Broadmeadows Bus Service, Nationwide Tours and Seymour Coaches. The company was also a route service operator up until 30 June 2025, it operated five routes under contract to Public Transport Victoria, which were then transferred to CDC Melbourne on 1 July 2025. Kastoria Bus Lines continues to operate some school and charter services, alongside Broadmeadows Bus Service, Nationwide Tours and Seymour Coaches.