John Uliny, also known as Johnson Olony, Johnson Olonyi, and John Olony, is a South Sudanese militia leader. He is a member of the Shilluk ethnic group.[1] He has at various points in time been allied with the South Sudan Democratic Movement, the Sudan People's Liberation Movement-in-Opposition and has led his own Agwelek Forces. He fought the South-Sudanese government in Upper Nile State between 2016 and 2018.