Its cathedral episcopal see is the Marian catedral de Nuestra Señora del Pilar, dedicated to Our Lady of the Pillar, located in the eponymous state capital Barinas.
José Luis Azuaje Ayala (2013.08.30 – 2018.05.24), also Vice-President of Episcopal Conference of Venezuela (2012.01.12 – ...); previously titular Bishop of Italica (1999.03.18 – 2006.07.15) and Auxiliary Bishop of Barquisimeto (Venezuela) (1999.03.18 – 2006.07.15), Apostolic Administrator of El Vigía–San Carlos del Zulia (Venezuela) (2005 – 2006.07.15), promoted Bishop of El Vigía–San Carlos del Zulia (2006.07.15 – 2013.08.30); later Archbishop of Maracaibo 2018.05.24 - ...)
Jesús Alfonso Guerrero Contreras, OFMCap (2018.12.21 - ...), previously titular Bishop of Leptiminus (1995.12.06 - 2011.04.09) and Vicar Apostolic of Caroní (1995.12.06 - 2011.04.09), Bishop of Machiques (2011.04.09 - 2018.12.21)