Luana Tanaka Ostan (born October 11, 1989) is a Brazilian actress.

Luana Tanaka was born in São Paulo, Brazil.

She gained fame after playing the part of the dekasegi Keiko, in the television series Morde & Assopra.

In 2013, she participated in the series Sessão de Terapia, giving life to Lia.

In 2014, she played Elda, expert and best friend of Vera Luana Piovani, in TV show Dupla Identidade created by Glória Perez.