Josiah McElheny (born in 1966, United States) is an artist and sculptor, primarily known for his work with glass blowing and assemblages of glass and mirrored glassed objects (see glass art). He is a 2006 recipient of the MacArthur Fellows Program "genius grant". He currently lives and works in New York City. He has exhibited his work at national and international venues including the Museum of Modern Art, Orchard, and Andrea Rosen Gallery in New York, Donald Young Gallery in Chicago, Institut im Glaspavillon in Berlin, the Moderna Museet in Stockholm, White Cube in London, and the Museo Nacional Centro de Arte Reina Sofía in Madrid.