Raul Otávio Klein (27 September 1932 – 10 June 1998), was a Brazilian professional footballer who played as a left winger.
Born in Novo Hamburgo, Klein began his career at EC Floriano (currently EC Novo Hamburgo), where he played most of his career.
He had a quick spell at Fluminense but didn't establish himself.
In 1957 he arrived at Portuguesa where he made 108 appearances and scored 42 goals.
[1] For the Brazil national team, he was part of the winning squad of the 1956 Panamerican Championship, playing three matches and scoring one goal.