| Killough | |
| Status: | Disused |
| Borough: | Killough, County Down |
| Country: | Northern Ireland |
| Original: | Downpatrick, Killough and Ardglass Railway |
| Pregroup: | Belfast and County Down Railway |
| Postgroup: | Great Northern Railway (Ireland) |
| Years: | 8 July 1892 |
| Events: | Station opens |
| Years1: | 16 January 1950 |
| Events1: | Station closes |
Killough railway station was on the Downpatrick, Killough and Ardglass Railway, which ran from Downpatrick to Ardglass in Northern Ireland.
Opened by the Downpatrick, Killough and Ardglass Railway, it became part of the Belfast and County Down Railway. The station closed to passengers in 1950, by which time it had been taken over by the Ulster Transport Authority.
The station building and goods shed still exist with the former used for residential purposes.