Arnaldo Antunes (Portuguese pronunciation: [axˈnawdu ɐ̃ˈtunis], born Arnaldo Augusto Nora Antunes Filho, September 2, 1960) is a Brazilian musician, writer and composer. He is well known as a former member of rock band Titãs. After 1992, he embarked on a solo career spanning six albums. He has also published poetry, and had his first book published in 1983. He is known internationally for his collaborations with Marisa Monte.