Rev. Fr. Jacome Gonsalves, CO (Devanagari Konkani: पाद्री झाकॉम गोनसाल्विश; Portuguese: Padre Jacome Gonçalves; Tamil: ஜாகோமே கொன்சால்வேஸ் அருட்தந்தை; Sinhala: ජාකොමේ ගොන්සාල්වෙස් පියතුමා Jakome Gonsalves Piyathuma) was an Oratorian priest and missionary in Sri Lanka, then known as Ceylon. Fr. Jacome Gonsalves arrived in Ceylon during the Dutch occupation, when the Dutch were imposing Calvinism as the official religion after defeating the Portuguese. He also helped Joseph Vaz in missionary work. He was proficient in the local Sinhala and Tamil Languages.