Pere (Pedro) Rabassa (21/09/1683 - 12/12/1767), a Spanish composer and music theorist; born in Barcelona, died in Seville.

In 1724 Rabassa became maestro at Seville Cathedral where he remained until his retirement in 1757. He continued to compose music for the cathedral until his death.
Rabassa made an outstanding contribution to the history of music theory with his manuscript treatise Guia para los principiantes.