Diego Ronquillo was the fifth Spanish governor of the Philippines, from March 10, 1583, until May 1584. He was the brother (or nephew) of his predecessor,^{[citation needed]} Gonzalo Ronquillo de Peñalosa, and served as interim governor for little more than a year. Manila suffered heavy damage from a fire that occurred on March 19, 1583.

Diego Ronquillo
5th Governor and Captain-General of the Philippines
In office March 10, 1583 – May 16, 1584
Monarch	Philip II of Spain
Governor	(Viceroy of New Spain) Lorenzo Suárez de Mendoza, 5th Count of Coruña Luis de Villanueva y Zapata
Preceded by	Gonzalo Ronquillo de Peñalosa
Succeeded by	Santiago de Vera
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