Julieta Castellanos (born 8 January 1954) is a Honduran sociologist and the dean of the National Autonomous University of Honduras (UNAH) since 2009.
Castellanos is known for campaigning against violence in Honduras, focusing on both drug cartels and police corruption.
She has advocated for both judicial and police reform.
Castellanos founded the Observatorio de la Violencia (Violence Observatory) at UNAH in 2004, a center that analyzes crime statistics in Honduras.
She was also a member of the Truth and Reconciliation Commission, which was tasked with clarifying the facts related to the 2009 coup that ousted President Manuel Zelaya.