Paulina Gaitán Ruíz (born 19 February 1992) is a Mexican actress.
Paulina Gaitán was born in Mexico City, Distrito Federal. Gaitán started acting at age 9 and at the age of 12 had an important role in Mexican director Luis Mandoki's Innocent Voices, a tale about the civil war in El Salvador. She was the female lead in the Cary Joji Fukunaga film Sin Nombre, where she played the character of Sayra, who joins her father and uncle when they try to migrate from Honduras to the United States, and ends up travelling with El Casper, a gang member, played by actor Edgar Flores.
Gaitán also played a girl kidnapped by sex traffickers in the 2007 movie Trade alongside Kevin Kline. She portrayed Sabina, a lead role in the Mexican horror drama We Are What We Are (Somos Lo Que Hay) in 2010. In addition, she has played the role of Zuvely in the short film En Tus Manos, which was also released in 2010.
Gaitán stars in the ensemble cast of the 2012 ABC Steven Spielberg series The River.