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 is founder and director of the Unlock Book Fair and the Tag Conference. He founded the website Urbanario in 2008. He works in teaching, curating and writing across Europe.