British and Irish Steam Packet Company
Logo  | |
| Industry | Shipping | 
|---|---|
| Founded | 1836 | 
| Defunct | 1995 | 
| Fate | Rebranded as Irish Ferries | 
| Headquarters | , | 
Area served  | Irish Sea | 
| Services | Passenger transportation Freight transportation  | 
| Parent | 1965–1992: Government of Ireland 1992–1995: ICG  | 
The British and Irish Steam Packet Company Limited was a steam packet and passenger ferry company operating between ports in Ireland and in Great Britain between 1836 and 1992. It was latterly popularly called the B&I, and branded as B&I Line.
The company took over the business of the City of Dublin Steam Packet Company.