Luís Otávio Gabus Mendes (born December 22, 1960 in São Paulo) is a Brazilian actor.

He is grandson of Otávio Gabus Mendes, son of the telenovelas author Cassiano Gabus Mendes, nephew of the actor Luís Gustavo and brother of the also actor Cássio Gabus Mendes.

His television debut was in the Ti Ti Ti novel (85), authored by his father, playing Alex, one of the sons of Jacques Leclair (Reginaldo Faria). He then makes an original version of Sinhá Moça (86), as José, a young man who falls in love with the slave Adelaide (Solange Couto).

Later he would work in the novels of his father, like Brega & Chique (87), like Maurício and Que Rei Sou Eu? (89), such as Pichot/Lucien, this being his first role of greatest impact and repercussion, making pair with Cláudia Abreu (Juliette). He followed other works such as Perigosas Peruas (92), as the puzzled Paulinho Pamonha and O Mapa da Mina (93), as Raul Gouveia. In addition to these novels, Fera Radical (88), like Paxá, and Mico Preto (90), like Adolfo, son of Áurea (Márcia Real).