Stephen Lapthisophon is an American artist and educator working in the field of conceptual art, critical theory, and disability studies.

Lapthisophon received his MFA from the School of the Art Institute of Chicago in 1979. His early work combined poetry, performance, sound art, and visual arts with postmodern philosophical concerns. He is also influenced by the legacy of the Situationists, who sought to make everyday life a focus of artistic activity.

Lapthisophon has taught at Columbia College in Chicago, the School of the Art Institute, and the University of Texas at Dallas. He currently teaches art and art history at The University of Texas at Arlington.