Javier Abarca (Madrid 1973) is an artist, researcher and educator in the fields of graffiti and street art. A leading figure from the first generation of Spanish graffiti, he taught a class on graffiti and street art at the Complutense University of Madrid between 2006 and 2015. He founded the website Urbanario in 2008. He is founder and director of the Unlock Book Fair and the Tag Conference. Since 2020 he teaches online at his Urbanario School. He works in teaching, curating and writing across Europe.