Renato "Rene" Luna Cayetano (December 12, 1934 – June 25, 2003), commonly known as Compañero, was a Filipino lawyer, television presenter, journalist, and politician. He served in the Regular Batasang Pambansa, representing the lone district of the Metro Manila municipalities of Taguig, Pateros and Muntinlupa, from 1984 until its abolition in 1986. He then served as a Senator from 1998 to 2003. He also hosted the television program Compañero y Compañera from 1997 to 2001. He was the father of politicians Pia, Alan Peter, and Lino Cayetano.