Charles Gwathmey (June 19, 1938 – August 3, 2009) was an American architect. He was a principal at Gwathmey Siegel & Associates Architects, as well as one of the five architects identified as The New York Five in 1969. One of Gwathmey's most famous designs is the 1992 renovation of Frank Lloyd Wright's Guggenheim Museum in New York City.
