Loa Sek Hie Sia (born in Batavia in 1898 - died in The Hague in 1965) was a colonial Indonesian politician, parliamentarian and the founding Voorzitter or chairman of the controversial, ethnic-Chinese self-defense force Pao An Tui (1946 - 1949). He was a Peranakan of Chinese-Indonesian, Austrian and Javanese descent. In his political career, he campaigned against racial discrimination and demanded better healthcare and education for ethnic Chinese in the Dutch East Indies.