Fr Guilherme da Piedade Dias was a Goan priest who worked in the Goan Church of Corlim as the Vicar. The Corlim Church is one of the older Goan Churches in Goa built in 1610. The Corlim Church is dedicated to St John Facundo, (Sao Joao Facundo). He was a native of Chandor, Goa.