Lucas Samaras (Greek: Λουκάς Σαμαράς; September 14, 1936 – March 7, 2024) was a Greek-born American photographer, sculptor, and painter.

He worked with multi-media collages, and by manipulating the wet dyes in Polaroid photographic film to create what he calls "Photo-Transformations".

Of the diverse nature and output of his body of work New York Times arts journalist Grace Glueck said in 1996 that "There appears to be not one Lucas Samaras, but several artists of that name”.

[7] He represented Greece at the 53rd Venice Biennale in 2009 with the multi-installation "PARAXENA" in the Greek Pavilion in the Giardini.

[9] He was the subject of several portraits by Chuck Close, in media including painting, daguerreotype, and tapestry.