Bipolar may refer to:

Patricia Giovanna Cantú Velasco (born November 25, 1983), known professionally as Paty Cantú is a Mexican singer-songwriter and occasional actress, who rose to fame as one of the founding members of the successful Mexican pop duo Lu.

Cantú was born in Houston, Texas. The family returned to Guadalajara, Mexico when she was a child. At the age of 16, Cantú was drawn to entertaining people; she started taking guitar and bass lessons, eventually leaving law school to pursue her musical career.

Paty Cantú became a member of the Mexican pop duo Lu alongside Mario Sandoval. The pair rose to fame with hits like Por Besarte, Una Confusión and La Vida Después de Ti and being certified gold and platinum for both records in Mexico and USA. Their self-titled debut album released in 2004, which was produced by Aureo Baqueiro, producer of artists like Natalia Lafourcade, Sin Bandera, Kabah, and Moenia, had success in Mexico and Brazil in which enjoyed success because they and their song "Por Besarte" were featured on Rebelde. Her song-writing skills were shown in the track "Sé" and writing songs for Lola and Alejandra Guzmán. After various reeditions from their first album, and a sophomore one called "Álbum", it was announced on August 27, 2007 that Mario and Paty parted ways due to artistic ideas, giving their last concert on October in Reynosa, Tamaulipas.