British Linen Bank
| The bank's former head office on St Andrew Square, Edinburgh. | |
| Formerly | 
 | 
|---|---|
| Company type | 
 | 
| Industry | financial service activities, except insurance and pension funding | 
| Founded | 5 July 1746 | 
| Defunct | 1999 | 
| Fate | rebranded as Bank of Scotland Treasury Services | 
| Successor | Bank of Scotland Barclays | 
| Headquarters | The Mound, , | 
| Parent | 
 | 
The British Linen Bank was a commercial bank based in the United Kingdom. It was acquired by the Bank of Scotland in 1969 and served as the establishment's merchant bank arm from 1977 until 1999.