Portadown, Dungannon and Omagh Junction Railway
| Industry | railway |
|---|---|
| Founded | 1855 |
| Defunct | 1876 |
| Fate | taken over |
| Successor | Great Northern Railway |
| Headquarters | , |
Area served | County Armagh, County Tyrone |
The Portadown, Dungannon and Omagh Junction Railway (PD&O) was an Irish gauge (5 ft 3 in (1,600 mm)) railway in County Armagh and County Tyrone, Ulster, Ireland (now Northern Ireland).