Arnoldus Isaac Zacharias Mononutu (4 December 1896 – 5 September 1983) was an Indonesian nationalist, politician, and national hero of Indonesia from North Sulawesi, who served as Minister of Information from 1949 until 1950, and the again from 1951 until 1953. He later became the first Indonesia Ambassador to China, as well as the third Rector of Hasanuddin University. A member of the Indonesian National Party, Mononutu was also involved in the struggle for Indonesia's independence. Having gained his sense of nationalism during his post-secondary studies in the Netherlands. In 2020, he was posthumously given the honorary title of National Hero of Indonesia.