Pedro Ipuche Riva (26 October 1924 – 25 December 1996) was an Uruguayan composer of classical music. According to the catalogue by the Uruguayan musicologist Elsa Sabatés in Músicos de aquí, Vol 4 (published by C.E.M.A.U. in 1997) he wrote 150 compositions, including 6 symphonies and 2 operas.