Juan José Landaeta (10 March 1780 – 16 October 1814) was a Venezuelan composer. Born in Caracas, his parents (Juan José Landaeta and Maria Candelaria Arévalo) were free mulatos. He studied music at the school of Padre Sojo, with Juan Manuel Olivares. Later, he worked at various churches of Caracas as a violinist and music director.
He was a participant in the Venezuelan War of Independence. In 1811 he founded the Concert Society Certamen de Música vocal e instrumental. After the demise of the First Republic, he was in prison, from which he was freed by the conquest of Simon Bolivar's conquest of Caracas. He then fell into the hands of José Tomás Boves, who had him executed.