Juan de Balmaseda y Censano Beltrán (16 April 1702, Galilea, La Rioja – 30 May 1778), interim Royal Governor of Chile.
Son of Pedro de Balmaceda and Angela Zenzano; lawyer of the Consejos de Espana, named an oidor of Chile in 1739, which became permanent 28 November 1742.
José Antonio Manso de Velasco appointed him judge of inheritances.
As dean of the Royal Audiencia of Chile he became temporary governor of the Kingdom of Chile after the death of Antonio de Guill y Gonzaga on 24 August 1768.
He then campaigned against the continuing Mapuche Uprising of 1766 on the frontier in person until 3 March 1770 when the new Royal Governor Don Francisco Javier de Morales took over the position.