Perang Kastilia (Jawi: ڤراڠ كستيلا, Sp.:Expedición de Brunei) merupakan sebuah konflik militer antara Brunei dan Spanyol pada 1578.
Dari pangkalan mereka di Meksiko, pada 1565, Spanyol menduduki Cebu di Filipina.
Pada 1576, Gubernur Spanyol di Manila adalah Francisco de Sande.
- Agoncillo, Teodoro A. (1990), History of the Filipino people, R.P. Garcia, ISBN 978-971-8711-06-4
- McAmis, Robert Day (2002), Malay Muslims: the history and challenge of resurgent Islam in Southeast Asia, Wm. B. Eerdmans Publishing, ISBN 978-0-8028-4945-8
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- United States. War Dept (1903), Annual reports, Volume 3, Government Printing Office
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- ^ The Cambridge History of Southeast Asia by Nicholas Tarling p.39