Arnaldo Ouana (born 22 December 1969) is a retired Mozambique international football player.Arnaldo Ouana spent most of his career playing in the Mozambique football league, primarily with Clube de Desportos da Costa do Sol. He had a brief spell playing in Liga de Honra with Campomaiorense.Arnaldo Ouana made several appearances for the Mozambique national football team, including three appearances at the 1996 African Cup of Nations finals.