Grga Peroš (Zagreb, April 18, 1983) is a Croatian opera singer (baritone).Grga Peroš was born in 1983 in Zagreb. He is the great-grandson of the Croatian historian Ferdo Šišić. At the preschool age, he began his music education at the Zagreb School of Functional Music Pedagogy (FMP, now the Elly Bašić Music School), where in 2001 he completed his high school education as a theoretical musician. In 2002 he enrolled in the two-subject study of Philosophy and Indology (in 2003 he transferred from Indology to Information Sciences) at the Faculty of Philosophy, University of Zagreb. After three years of learning solo singing with Dubravka Krušelj Jurković, prof. in 2011 he enrolled in the study of solo singing at the University of Music and Performing Arts in Graz, where he completed his bachelor's degree (BA) in 2015 and his master's degree (MA) in 2018.