Constant Dullaart (Leiderdorp, 1979) is a Dutch conceptual artist, media artist, internet artist, and curator. His work is deeply connected to the Internet.
Dullaart was born and raised in Leiderdorp. He attended the Gerrit Rietveld Academy from 1997 to 2002, and the Rijksakademie van beeldende kunsten in the year 2007-2008. After his graduation in 1997 he settled as artist in Amsterdam. From 2010 to 2015 he lived in Berlin.
His works were shown in MCA, Chicago, Whitechapel Gallery London, Schirn Kunsthalle Frankfurt, Import Projects Berlin, Utah Museum of Contemporary Art, ZKM Karlsruhe, Victoria & Albert Museum London, and MAAT Lisbon. Dullaart has curated several exhibitions and lectured at universities and academies throughout Europe, most recently at Werkplaats Typografie, a post-graduate programme at ArtEZ, Arnhem. In 2015, he was awarded the Prix Net-Art, the international prize for internet art.