Arnaldo Antunes (, born Arnaldo Augusto Nora Antunes Filho, September 2, 1960), is a writer and composer from Brazil. He began as a member of the band Aguilar e Banda Performática in the late 1970s. For most of the 1980s he was a member of the rock band Titãs. After 1992 he had six solo albums. Since 1992 he has been an award winning poet, but he was first published in 1983. He is noted abroad for collaborations with Marisa Monte.