Estoi (Portuguese pronunciation: [(ɨ)ˈʃtoi]) is a former civil parish in the municipality of Faro, in the Algarve, Portugal. In 2013, the parish merged into the new parish Conceição e Estoi. The parish, which includes an area of approximately 46.55 square kilometres (17.97 sq mi), had a population of 3,538 at the 2001 census.