Gian Marco Javier Zignago Alcóver (born 17 August 1970, Lima) is a Peruvian singer-songwriter and actor. He has won the Latin Grammy Award for the Best Singer-Songwriter Album three times. First in 2005 for his album Resucitar, in 2011 for his album Días Nuevos, and in 2012 for his album 20 Años. Gian Marco was named UNICEF Goodwill Ambassador in Peru.
His mother is the well-known Peruvian actress and singer María Regina Alcóver Ureta, and his father was the late Peruvian composer and singer Javier Óscar Florencio Zignago Viñas, known in the musical world as Joe Danova.