Augustine John Ukken was a Syro-Malabar Catholic priest from Kerala, India, who lived from 1880 to 1956. After being orphaned at a young age, he received his education through the support of a local parish priest and later studied in Sri Lanka. He held several significant ecclesiastical roles, including serving as a rector and a college manager. He is most notably recognized as the founder of the Congregation of the Sisters of Charity, an order dedicated to assisting the poor and the sick.