| St Pancras South | |
|---|---|
| Former borough constituency for the House of Commons | |
| 1885–1918 | |
| Seats | One |
| Created from | Marylebone |
| Replaced by | St Pancras South East and St Pancras South West |
St. Pancras South was a borough constituency represented in the House of Commons of the Parliament of the United Kingdom. It elected one Member of Parliament (MP) by the first-past-the-post system of election. It was created by the Redistribution of Seats Act 1885 for the 1885 general election and abolished for the 1918 general election.