Robert Brennan

Robert Brennan may refer to:


 * Bobby Brennan (1925–2002), English professional footballer
 * Bobby Brennan (soccer) (born 1979), American soccer defender
 * Robbie Brennan (1947–2016), Irish drummer and a former member of the band Grand Slam
 * Robert E. Brennan (born 1944), American businessman
 * Robert Brennan (priest) (born 1941), priest and social activist
 * Robert Brennan (journalist) (1881–1964), Irish writer, diplomat and a founder of The Irish Press newspaper
 * Robert J. Brennan (born 1962), American prelate of the Roman Catholic Church