Thomas Krens (26 December, 1946) is the former director and Senior Advisor for International Affairs of the Solomon R. Guggenheim Foundation in New York City.
During his 20-year tenure as director he expanded the Solomon R. Guggenheim Museum globally by enlarging and raising the profile of the Peggy Guggenheim Collection in Venice, Italy, & building the Guggenheim Museum Bilbao, Spain (1997), Deutsche Guggenheim, Berlin, Germany, and Guggenheim Las Vegas.