Allen Jones (British, born 1937) Paul Joostens (Belgian, 1889–1960) Donald Judd (American, 1928–1994) Wassily Kandinsky (Russian, 1866–1944) Lajos Kassák (Hungarian, 1887–1967) Paul Klee (German, 1879–1940) Yves Klein (French, 1928–1962) Franz Kline (American, 1910–1962) Gustav Gustavovich Klutsis (Latvian, 1895–1944) Ivan Vasilievich Klyun (Russian, 1873–1942) Willem de Kooning (American/Dutch, 1904–1997) Joseph Kosuth (American, born 1945) Jannis Kounellis (Greek, 1936–2017) František Kupka (Czech, 1871–1957) Karl Lagerfeld (German, 1933–2019)
Wifredo Lam (Cuban, 1902–1982) Mikhail Larionov (French/Russian, 1881–1964) Henri Laurens (French, 1885–1954) Jan Lebenstein (Polish, 1930–1999) Fernand Léger (French, 1881–1955) Jani Leinonen Elena Liessner-Blomberg (German, 1897–1978) El Lissitzky (Russian, 1890–1941) Kazimir Malevich (Ukrainian, 1879–1935) Henri Matisse (French, 1869–1954) Roberto Matta (Chilean, 1911–2002) Mikhail Vasilievich Matyushin (Russian, 1861–1934) Richard Meier (American, born 1934) Joan Miró (Spanish, 1893–1983) László Moholy-Nagy (Hungarian, 1895–1946)
