Guillaume Cailleau (born 15 February 1978 in Saumur) is a French artist, filmmaker and producer whose interest lies in exploring new forms to address political and social issues.

From 2006 to 2011 Guillaume Cailleau studied at the Berlin University of the Arts and was a postgraduate student under Heinz Emigholz.

As a freelance video artist, he has worked in theater productions by Thomas Ostermeier, Hakan Savaş Mican und Mala Kline.

In addition Cailleau developed numerous audiovisual performances, for instance with the experimental sound artist Werner Dafeldecker and the composer and conductor Timo Kreuser which were featured at international venues such as the Edinburgh International Film Festival (2014), Scratch Expanded Paris (2013) and COLOR SOUND FRAMES (2015)[4] at Serralves Museum.

Cailleau is co-producer of Ben Russell's Film "Good Luck" (2017), which premiered at the Locarno Festival and was shown as a 4-channel video installation at documenta 14 in Kassel.