Fernando da Guerra (c. 1390 – 26 September 1467) was a Portuguese ecclesiastic. He was successively bishop of Algarve (1409–1414), bishop of Porto (1416–1417) and finally archbishop of Braga (1417–1467).

He built the Braga's Archiepiscopal Court, containing the Medieval Hall and library.

Preceded by Martinho Gil	Bishop of Algarve 1409–1414	Succeeded by João Álvaro
Preceded by João Afonso Aranha	Bishop of Porto 1416–1417	Succeeded by Vasco II
Preceded by Martim Afonso de Miranda	Archbishop of Braga 1417–1457	Succeeded by Luís Pires