Lavínia Gutmann Vlasak (born June 14, 1976) is a Brazilian actress and a former model.
Vlasak was born in Rio de Janeiro, daughter of Chief Financial Officer Robert Vlasak and homemaker Eugênia Gutmann. The surname Vlasak is of Czech origin. It came from her paternal grandfather who, however, was born in Austria. In addition, Lavínia has German ancestry from both father and mother.
In 1980, she moved to the United States when her father, who worked for a multinational corporation, was transferred there. She lived outside of Brazil from 4 to 7 years of age and therefore was literate in English. After only seven years, on her return to Brazil, she learned Portuguese. When Vlasak returned, she studied at the British School in Rio de Janeiro. The school's curriculum could focus on art education, where he became interested in acting profession. Early on, listened to their teachers that would be an excellent performer.