| St Austell | |
|---|---|
| Former borough constituency for the House of Commons | |
| 1885–1918 | |
| Seats | One |
| Created from | East Cornwall and West Cornwall |
| Replaced by | Penryn and Falmouth, North Cornwall |
St Austell was a parliamentary constituency centred on the town of St Austell in Cornwall. It returned one Member of Parliament (MP) to the House of Commons of the Parliament of the United Kingdom.
The constituency was created for the 1885 general election, and abolished for the 1918 general election.