Ambrosio Kibuuka (1868 - June 3, 1886) was a Ugandan Roman Catholic martyred for his faith. He was born in Buganda. He was one of many Christians put to death by King Mwanga II between 1885 and 1887. His day of martyrdom was June 3, when he was burned alive, and when he is remembered as one of the Martyrs of Uganda's feast day.