British Museum | Museum of Modern Art | Metropolitan Museum of Art | American Museum of Natural History | Victoria and Albert Museum | Natural History Museum | San Francisco Museum of Modern Art | Honolulu Museum of Art | museum | Whitney Museum of American Art | Museum of Fine Arts, Boston | Los Angeles County Museum of Art | Solomon R. Guggenheim Museum | National Air and Space Museum | Brooklyn Museum | National Baseball Hall of Fame and Museum | Hermitage Museum | National Museum of Racing and Hall of Fame | Museum of Contemporary Art | Field Museum of Natural History | Philadelphia Museum of Art | Imperial War Museum | Smithsonian American Art Museum | National Museum | National Museum of Natural History | Museum of Fine Arts, Houston | Denver Art Museum | Cleveland Museum of Art | Museum of Contemporary Art, Los Angeles | National Maritime Museum |
Clemens Weiss has works in the collections of the Museum of Modern Art, Folkwang Museum (Essen), Hamburger Bahnhof (Berlin), New York Public Library (The Spencer Collection), Pushkin Museum (Moscow), Palace of Nations (Geneva), University of South Florida (Art Museum), Von der Heydt Museum (Wuppertal, Germany) and Wadsworth Atheneum, Hartford (USA).