| ZACHARIAS, ATHOS (USA b. 1927) | Lion's Head ca. 1960 | ZacA1960lion |
| ZAFIROPOULOS, MICHAEL (Greece) | Group Portrait of Greek Ladies ca. 1880 Piraeus | ZafM1880ladi |
| ZAFIROPOULOS, VANGELIS (Greece b. 1957) | The Repetition #1 2000 | ZafV2000rep1 |
| " | The Repetition #2 2000 | ZafV2000rep2 |
| " | The Repetition #3 2000 | ZafV2000rep3 |
| " | The Repetition #4 2000 | ZafV2000rep4 |
| ZAHNER, MARTIN H. (USA b. 1856) | Manhattan from World Building ca. 1900 New York | ZaMH1900york |
| ZAVERDINOS, DIONYSIOS ZOIS (Greece b. 1947) | Synthesis (Composition) 2009 | ZaDZ2009synt |
| ZEPDJI, PAUL (Armenia) | Bust Portrait of Greek Couple ca. 1890 Thessaloniki | ZepP1890coup |
| ZETTLER, EMIL ROBERT (USA 1878-1946) | Progress - International Exposition Chicago 1933 | ZeER1933prog |
| ZILLER, V. (Greece) | Portrait of Mary P. Pavlides 1907 Makri | ZilV1907pavl |
| ZIMARAKIS, KOSTAS (Greece b. 1939) | Electra 1991 | ZimK1991elec |
| " | Untitled 1991 | ZimK1991unti |
| ZIMARITOU, ALIKI (Poland b. 1955) | Untitled 1989 | ZimA1989unti |
| " | Untitled 1990 | ZimA1990unti |
| ZIOGAS, YANNIS (Greece b. 1962) | Maquette for Polyptych 1986-1987 | ZioY1987maqu |
| " | Polyptych 1986-1987 | ZioY1987poly |
| " | Plans for Polyptych 1986-1987 | ZioY1987plan |
| " | Alphabetbook 1999 for Letter M: Mute 1999-2000 | ZioY1999al-m |
| " | Planet: White Steps 2006 | ZioY2006step |
| ZOGRAPHOS, NICOS (Ottoman Empire 1881-1967) | Bust Portrait of General E.K. Margarites 1921 Smyrna | ZogN1921marg |
| " | Bust Portrait of General Basil Vassiliades (†1909) 1924 | ZogN1924vass |
| " | Bust Portrait of Ambassador George D. Levides ca. 1925 | ZogN1925levi |
| " | Bust Portrait of Yiolanda Levides ca. 1925 | ZogN1925yiol |
| " | Bust Portrait of Hélene Levides 1925 | ZogN1925hele |
| " | Bust Portrait of Greek Girl ca. 1925 Athens | ZogN1925girl |
| " | Bust Portrait of Hélene Levides 1926 | ZogN1926hele |
| " | ACG President Miss Emily M. McCallum ca. 1928 | ZogN1928mcca |
| " | Portait of Skyrian Woman 1929 Skyros Island | ZogN1929skyr |
| " | Temple of Apollo ca. 1930 Corinth | ZogN1930apol |
| " | Bust Portrait of Greek Lady ca. 1930 Athens | ZogN1930lady |
| " | Bust Portrait of Greek Businessman ca. 1930 | ZogN1930busi |
| " | Bust Portrait of Greek Lady M.1 ca. 1930 | ZogN1930-M.1 |
| " | Bust Portrait of Greek Lady M.2 ca. 1930 | ZogN1930-M.2 |
| " | Double Bust Portrait of Greek Couple ca. 1930 | ZogN1930coup |
| " | Bust Portrait of Greek Girl ca. 1930 | ZogN1930girl |
| " | Aspect of Palamidi Fortress ca. 1930 Nafplio | ZogN1930nafp |
| " | Entrance of the Church of the Dormition 1931 Daphni | ZogN1931daph |
| " | Bust Portrait of Greek Lady 1933 | ZogN1933lady |
| " | Bust Portrait of Greek Lady ca. 1935 | ZogN1935lady |
| " | Rector I. Theofanopoulos (1876-1944) ca. 1935 Athens | ZogN1935theo |
| " | Bust Portrait of Greek Businessman ca. 1940 | ZogN1940busi |
| " | Portrait of Mr. Soterios Gravanis ca. 1940 Athens | ZogN1940gra1 |
| " | Portrait of Mrs. Christine Gravanis ca. 1940 Athens | ZogN1940gra2 |
| " | Portrait of Lawyer Soterios Gravanis ca. 1940 Athens | ZogN1940gra3 |
| " | Bust Portrait of Greek Gentleman ca. 1940 | ZogN1940gen1 |
| " | Bust Portrait of Greek Gentleman ca. 1940 | ZogN1940gen2 |
| " | Portrait of Greek Child ca. 1940 Athens | ZogN1940chil |
| " | Double Portrait of Greek Child ca. 1940 Athens | ZogN1940doub |
| " | Contemplation ca. 1940 Mount Athos | ZogN1940atho |
| " | Portrait of Minister Gerassimos B. Vassiliades ca. 1945 | ZogN1945vass |
| " | Queen Frederica of Greece (1917-1981) ca. 1950 Athens | ZogN1950fred |
| " | Wedding Portrait #1 of Halkias ca. 1950 Athens | ZogN1950hal1 |
| " | Wedding Portrait #2 of Halkias ca. 1950 Athens | ZogN1950hal2 |
| " | Portrait #1 of Thalia Halkias ca. 1950 Athens | ZogN1950hal3 |
| " | Portrait #2 of Thalia Halkias ca. 1950 Athens | ZogN1950hal4 |
| " | Portrait #3 of Thalia Halkias ca. 1950 Athens | ZogN1950hal5 |
| " | Wedding Portrait #1 of Johny & Chrissoula 1952 Athens | ZogN1952jch1 |
| " | Wedding Portrait #2 of Johny & Chrissoula 1952 Athens | ZogN1952jch2 |
| " | Wedding Portrait #3 of Chrissoula 1952 Athens | ZogN1952jch3 |
| " | Bust Portrait of Gentleman 1953 Athens | ZogN1953gent |
| ZOLOTAKIS, APOSTOLIS (Greece b. 1963) | Untitled 1997 Utrecht | Zolo1997unti |
| " | Face 2005 Malta | Zolo2005face |
| " | Lafcadio Hearn: Matrix 2009 | Zolo2009matr |
| ZOUMBOULAKIS, PETROS (Greece b. 1937) | Watch of Nikos Kavvadias 2007 | ZouP2007watc |
| " | ACG President John S. Bailey (1975-2008) 2011 | ZouP2011bail |
| ZYM (Greece b. 1936) | Couple 1990 Athens | ZymG1990coup |
| " | Janus 1990 Athens | ZymG1990janu |
| " | The Great Impressario Takis Efstathiou 2004 | ZymG2004taki |