St Blazey (Cornish: Lanndreth) is a small town in Cornwall, England, United Kingdom.

The village of Biscovey and the settlements of St Blazey Gate, Bodelva and West Par lie within the parish boundaries.

[2] Once an important engineering centre for the local mine and railway industries, the parish is now dominated by the Eden Project.

[3] The town takes its name from the Armenian Saint Blaise and holds a procession and service on his feast day, 3 February.

[4] The namesake and patron hallow of St Blazey is Saint Blaise, who in Christian tradition is believed to have "cure[d] toothache, sore throats and cattle diseases".

[5] An Iron Age hillfort Prideaux Castle lies a mile to the north west of the town in the parish of Luxulyan.

[14] The Par Canal was soon replaced by the Cornwall Minerals Railway, which had a depot and station in the town, and still exists as part of the Atlantic Coast Line.

Cornish wrestling tournaments took place in the following locations over the last 200 years: The town's football team, St Blazey A.F.C., was the first club of England International goalkeeper Nigel Martyn.

Notable people from the town include Edward Long, the historian, who was born at Roselyon, in 1734, and educated at Liskeard.

It is claimed by some as the birthplace of Ralph Allen,[19] notable architect of Bath, although his christening took place at St Columb Major.