Mariona Ribas i Deu (born 18 June 1984 in Sabadell, Catalonia) is a Spanish actress.

Ribas received a musical education and studied dance and acting[1] before her debut on television at the age of 15.

[2] On the stage, Ribas made her debut with a starring role in Manuel Veiga's Tempesta de neu at Sala Muntaner, Barcelona, in 2003.

She has also played a role in Jugando con Molière (2005–2006) and El poema de Nadal (2007).

[3] Ribas is a well-known face in her native Catalonia due to the popularity of the long-running Catalan soap opera El Cor de la Ciutat, where she starred as Marta, specially during the first 5 seasons.