Gian Marco Javier Zignago Alcóver (born 17 August 1970, Lima) is a Peruvian singer-songwriter. 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 (of Genoese descent).
He is also known as Gian Marco.