1961 Willard Gallery, New York, NY

1964 1 by 50 Foot Drawing, Carnegie Institute, Pittsburgh, PA

1967 The Giant Man of Water Soluble Paper and Dissolved on 53rd Street, Museum of Contemporary Crafts, New York, NY

1968 Participatory Events with Communal Garments, The Architectural League of New York, New York

1970 The Gold Curb, Metropolitan Museum of Art, New York, NY

1971 The Black Book, Galerie Michael Werner, Cologne, West Germany

1974 The Perfect Love Letter, Palais des Beaux-Arts, Brussels, Belgium

1975 The Perfect Kiss, Pavilion Denon, Musėe de Louvre, Paris, France

1977 The First Total Interrogative Philosophy, Stădtisches Museum, Mönchengladbach, West Germany

1978 The Perfect Kiss, University Art Museum, University of California at Berkeley, Berkeley, CA

1980 The Exhibition of Perfect, Busch-Reisinger Museum, Harvard University, Cambridge, MA

1981 The Perfect Kiss, The Perfect Cheek, The Perfect Fragrance, Foundation de Appel, Amsterdam, the Netherlands

1983 Stedelijk van Abbemuseum, Eindhoven, The Netherlands

1983 Musėe d'Art Moderne de la Ville de Paris, Paris, France

1984 The Perfect Quiet, ICA, Boston, MA

1985 Galerie Michael Werner, Cologne, West Germany

1985 Mary Boone Gallery, New York, NY

1986 James Lee Byars - Palast der Philosophie/The Philosophical Palace, Kunsthalle Dűsseldorf, Dűsseldorf, West Germany

1988 Mary Boone Gallery, New York, NY

1989 Mary Boone Gallery, New York, NY

1989 James Lee Byars - The Palace of Good Luck, Castello di Rivoli, Museo d'Arte Contemporanea, Turin, Italy

1990 The Perfect Thought, University Art Museum, University of California at Berkeley, Berkeley, CA

1990 The Perfect Thought, Contemporary Arts Museum, Houston, TX

1992 Konsthall, Stockholm, Sweden

1993 Sonne, Mond und Sterne, Wűrttembergischer Kunstverein, Stuttgart, Germany

1994 Graphische Răume Museum Ludwig, Cologne, Germany

1994 James Lee Byars - The Perfect Moment, IVAM Centre del Carme, Valencia, Spain

1995 Fondation Cartier pour l'art Contemporain, Paris, France

1996 The Monument of Language - James Lee Byars, The Henry Moore Institute, Leeds, England

1997 James Lee Byars - The Palace of Perfect, Fundaçao de Serralves, Porto, Portugal

1998 James Lee Byars - Four Early Drawings and a Black Figure on the Floor, Michael Werner Gallery, New York, NY

1998 The Arts Club of Chicago, Chicago, IL

2001 Letters to Joseph Beuys, Museum fur Kommunikation, Frankfurt, Germany

2003 The Moon Books: Above and Below, An Exhibition of James Lee Byars, Michael Werner Gallery, New York, NY

2004 James Lee Byars: Letters from the World's Most Famous Unknown Artist, Massachusetts Museum of Contemporary Art, North Adams, MA

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2004 James Lee Byars: Life, Love and Death, Schirn Kunsthalle, Frankfurt, Germany

2004 James Lee Byars: The Perfect Silence, Whitney Museum of American Art, New York, NY

2005 Barbican Art Gallery, London, England

2006 The Rest Is Silence: James Lee Byars, Perry Rubenstein Gallery, New York, NY

2006 The Rest Is Silence: James Lee Byars, Michael Werner Gallery, New York, NY

2006 The Rest Is Silence: James Lee Byars, Mary Boone Gallery, New York, NY

2008 Im [sic] Full of Byars: James Lee Byars - Eine Hommage, Kunstmuseum Bern, Switzerland

2008 Milton Keynes Gallery, London, England

2012 Klein / Byars / Kapoor, Musee d'Art Moderne et d'Art Contemporain, Nice, France

2012 ARoS Kunstmuseum, Aarhus, Denmark

2013 James Lee Byars: 1/2 an Autobiography, Museo Jumex, Mexico City, Mexico

2014 MoMA PS1, New York, NY

2014 FLEX, Kent Fine Art, New York, NY

2014 James Lee Byars, Random Institute, Zűrich, Switzerland

2023 James Lee Byars, PirelliHangar Bicocca , Milan, Italy