Giulio Bas (Venice 21 April 1874 – Vobbia, Genoa 27 August 1929) was an Italian Romantic composer and organist.
He studied with
Giovanni Tebaldini at the Cappella Marciana and with
Marco Enrico Bossi at the Liceo Musicale of Venice. He completed his studies with
Josef Rheinberger in Munich. From 1901 he was second organist at St. Mark's in Venice and after 1903 organist in Calvi, Teano, and then at San Luigi dei Francesi in Rome. From 1912 till his death he was teacher at the Conservatorio.