| GAÏTIS, YANNIS (Greece 1923-1984) | Progression of Heads 1973 | GaiY1973prog |
| " | Ceramic Series: Disk ca. 1975 | GaiY1975disk |
| " | Ceramic Series: Centrifugal Profile 1975 | GaiY1975cent |
| " | Ceramic Series: Double Profile 1975 | GaiY1975doub |
| " | Toy Series: String Puppet in Profile 1975 | GaiY1975pupp |
| " | Untitled: Human Landscape ca. 1977 | GaiY1977unti |
| GALLERANI, PAOLO (Italy b. 1943) | One Tree, Perhaps Two Trees 2005 | GalP2005albe |
| GALLIS, DIMOSTHENIS (Greece b. 1967) | Wheels 1999 | GalD1999whee |
| " | Nude #2 2005 | GalD2005nude |
| GANDOLFI, PAOLA (Italy b. 1949) | Iubilaeum (Jubilee) 2000 | GanP2000iubi |
| GANSON, ARTHUR (USA b. 1955) | Arthur Ganson presents a few Machines 2004 | GanA2004mach |
| GAROUFALIS, CHRISTOS (Greece b. 1959) | Silent Dialogue with a Teacher 2000 | GarC2000teac |
| " | Memory of Lafcadio Hearn 2009 | GarC2009lafc |
| GASPARINI, ANDREA (Italy) | Tempio di Teseo in Atene 1842 | GasA1842tese |
| GAUCI, WILLIAM (England f. 1826-1854) | Lincoln College, Oxford ca. 1830 | GauW1830linc |
| GAVAISSE, VASSO (Greece b. 1973) | Labyrinth 2006 | GavV2006laby |
| GAVALAS, DIMITRIS (Greece 1940-1998) | Mutation 1993 | GavD1993muta |
| GAZIADES, ANASTASIOS (Ottoman E. 1853-1931) | Portrait of Greek Married Couple ca. 1890 Piraeus | GazA1890coup |
| " | Portrait of Greek Gentleman ca. 1895 Piraeus | GazA1895gent |
| " | Portrait of Greek Gentleman ca. 1900 Piraeus | GazA1900gent |
| " | Portrait of Greek Baby ca. 1910 Athens | GazA1910baby |
| " | Group Portrait of Greek Police Officer ca. 1920 Athens | GazA1920poli |
| " | Portrait of Seated Greek Lieutenant ca. 1920 Athens | GazA1920offi |
| " | Portrait of Greek Gentleman ca. 1920 Athens | GazA1920gent |
| " | Portrait of Seated Greek Lady ca. 1920 Athens | GazA1920lady |
| " | Portrait of Greek Lady ca. 1925 Athens | GazA1925lady |
| GELADA, MARGARITA (Greece b. 1971) | Untitled 2005 | GelM2005unti |
| GEORGALAS, IOANNIS (Greece) | Group Portrait of Athens College Class 1937 | GeoI1937coll |
| GEORGARIOU, JOHN (Greece b. 1954) | Potis Linardakis 2006 Ambelo, Mani | GeoJ2006poti |
| " | Spring 2009 | GeoJ2009spri |
| GEORGIADIS, NIKOS (Greece 1923-2001) | Sketch #1 for Set Designs: Le Bal 1946 | GeoN1946bal1 |
| " | Sketch #2 for Set Designs: Le Bal 1946 | GeoN1946bal2 |
| " | Seated Male Nude 1946 | GeoN1946nude |
| GEORGIADIS, SAVAS (Cyprus b. 1975) | Georgia O'Keefe 2003 | GeoS2003okee |
| GEORGILADAKIS, M. (Egypt) | Group Portrait of Greek Family 1927 Suez | GeoM1927suez |
| GEORGILI-ZOLOTAS, KYRIAKOULA (Gr. b. 1953) | Masks 1990 | GeZo1990mask |
| " | Nuit Blue (Blue Night) 2007 | GeZo2007nuit |
| GEORGIOU, KOSTIS (Greece b. 1956) | Collector Z' 1988 | GeoK1998coll |
| GERSTNER, KARL (Switzerland b. 1930) | The Morpho-Saga-Picture 1962 | GerK1962saga |
| GHINIS, ALKIS (Greece b. 1933) | Dr. Margaret Stewart (1960-1971) 1967 | GhiA1967stew |
| GHIKA (Greece 1906-1994) | The Triumph of Demoticism 1939 | GhiH1939triu |
| " | Two Women 1941 | GhiH1941wome |
| " | Evryali Medusa 1948 | GhiH1948evry |
| " | Mask after Medusa Rondanini 1948 | GhiH1948rond |
| " | The Rondanini Medusa 1948 | GhiH1948medu |
| " | Untitled: Gorgon Medusa I ca. 1950 | GhiH1950gor1 |
| " | Untitled: Gorgon Medusa II 1950 | GhiH1950gor2 |
| " | Untitled: Gorgon Medusa III 1950 | GhiH1950gor3 |
| " | Untitled: Pegasus I 1950 | GhiH1950peg1 |
| " | Untitled: Pegasus II 1950 | GhiH1950peg2 |
| " | Untitled: Pegasus III 1950 | GhiH1950peg3 |
| " | Untitled: Pegasus IV 1950 | GhiH1950peg4 |
| " | The Four Heads of Antigone 1955 | GhiH1955anti |
| " | Hercules and the Lernaean Hydra 1956 | GhiH1956lern |
| " | India: I - Nirvana 1958-9 | GhiH1959-001 |
| " | India: II - Sacred Cows 1958-9 | GhiH1959-002 |
| " | India: III - Religious Ceremony 1958-9 | GhiH1959-003 |
| " | India: IV - Omnipresent Monkeys 1958-9 | GhiH1959-004 |
| " | India: V – Naked Yogis 1958-9 | GhiH1959-005 |
| " | India: VI - Peasant Women 1958-9 | GhiH1959-006 |
| " | India: VII - Women with Loads 1958-9 | GhiH1959-007 |
| " | India: VIII - Catamites 1958-9 | GhiH1959-008 |
| " | India: IX - Round Temple 1958-9 | GhiH1959-009 |
| " | India: X - Unearthly Figure 1958-9 | GhiH1959-010 |
| " | India: XI - Woman Watering Crops 1958-9 | GhiH1959-011 |
| " | India: XII - Imperial Hue 1958-9 | GhiH1959-012 |
| " | Mythical Lovers: Apollo & Daphne 1976 | GhiH1976-001 |
| " | Mythical Lovers: Thesseus & Ariadne 1976 | GhiH1976-002 |
| " | Mythical Lovers: Jason & Medea 1976 | GhiH1976-003 |
| " | Mythical Lovers: Pluto & Persephone 1976 | GhiH1976-004 |
| " | Mythical Lovers: Perseus & Andromeda 1976 | GhiH1976-005 |
| " | Mythical Lovers: Cephalus & Procris 1976 | GhiH1976-006 |
| " | Medallion: Spring 1977 | GhiH1977spri |
| " | Little Hydra 1985 | GhiH1985hydr |
| GIANAKOS, CRIS (USA b. 1934) | Altered Stadium 1977 | GiaC1977alte |
| " | Stele 1990 | GiaC1990stel |
| " | Post and Lintel 1990 | GiaC1990post |
| " | Triangle on White Field 1995 | GiaC1995tria |
| " | Not Identical Twins 2007 | GiaC2007twin |
| GIANNAKOPOULOS, I.P. (Greece) | Double Portrait of Greek Children ca. 1910 | GiaI1910chil |
| GIAVROPOULOS, NIKOS (Greece b. 1971) | Lace Maker 1998 | GiaN1998lace |
| " | Medusa 2001 | GiaN2001medu |
| " | Le Déjeuner sur l'Herbe 2002 | GiaN2002herb |
| " | Europe 2003 A.D. 2003 | GiaN2003euro |
| " | Female Nude 2003 | GiaN2003nude |
| " | Male Ideal? 2004 | GiaN2004male |
| " | MetaOedipus 2005 | GiaN2005meta |
| " | Complete Portrait 2007 | GiaN2007port |
| GIZINOS, DIMITRIS (Greece b. 1965) | Humanscape 2008 | GizD2008huma |
| GKEKAS, ASTERIS (Greece b. 1954) | Banners: Chronologue 2009 | GkeA2009chro |
| " | Dreamwalkers: Amadeus 2009 | GkeA2009amad |
| GOLANDA, NELLA (Greece b. 1941) | Greek Space X 1969 | GolN1969gree |
| GOLFINOPOULOS, ANDREAS (Greece b. 1943) | Recollections from Greece: Fall 1972 | GolA1972fall |
| " | Pine Forms 2006 | GolA2006pine |
| " | Morfogenesis 2006 | GolA2006morf |
| " | Tree Girls 2007 | GolA2007tree |
| " | Portraits of the Sky #1 2007 | GolA2007port |
| " | Hatted Tree 2008 | GolA2008hatt |
| GOLFINOS, YORGOS (Greece) | Art Forum 1995 | GolY1995artf |
| GORDON, DANA (USA b. 1946) | Untitled 1980 | GorD1980unti |
| " | July 1981 | GorD1981july |
| " | Untitled #1 1981 | GorD1981unt1 |
| " | Untitled #2 1981 | GorD1981unt2 |
| " | Untitled #3 1981 | GorD1981unt3 |
| " | Untitled #1 1982 | GorD1982unt1 |
| " | Untitled #2 1982 | GorD1982unt2 |
| GOS, EMILE (Switzerland 1888-1969) | Group Portrait ca. 1920 Lausanne | GosE1920grou |
| GOULANDRIS, ANGELOS N. (Turkey 1921-1996) | Abstract Painting ca. 1970 | GouA1970abst |
| GOULANDRIS, NIKI (Greece b. 1925) | Gerranium Macrorrhizum 1970 | GouN1970gera |
| " | Hypericum Olympicum 1970 | GouN1970hype |
| " | Lilium Chalcedonicum 1970 | GouN1970lili |
| " | Rosa Canina 1970 | GouN1970rosa |
| " | Symphyandra Cretica 1970 | GouN1970symp |
| " | Portrait of Kimon Friar #1 1973 | GouN1973fri1 |
| " | Portrait of Kimon Friar #2 1973 | GouN1973fri2 |
| GOUNARO (Greece 1890-1977) | Vase with Flowers ca. 1960 | GouG1960vase |
| GRAMMATOPOULOS, KOSTAS (Greece 1916-2003) | Portrait of Pandelis Prevelakis (1909-1986) 1975 | GraK1975prev |
| " | Portrait of Pandelis Prevelakis (1909-1986) 1976 | GraK1976prev |
| GRAMMENOS, KORNELIOS (Greece b. 1916) | Self-Portrait 2007 | GrKo2007self |
| GRAVANIS, LYDIA (Greece 1939-1998) | The Dance ca. 1960 | GraL1960danc |
| " | Female Nude ca. 1970 | GraL1970fema |
| " | Male Nude #1 ca. 1970 | GraL1970mal1 |
| " | Male Nude #2 ca. 1970 | GraL1970mal2 |
| " | The Artist's Shoes ca. 1980 | GraL1980shoe |
| " | Makrygiannis 1984 | GraL1984makr |
| " | Deep Pain 1985 | GraL1985pain |
| " | Strong Embrace 1985 | GraL1985embr |
| " | Epitaph ca. 1985 | GraL1985epit |
| " | Man in Blue Sweater 1986 | GraL1986blue |
| " | Ants 1989 | GraL1989ants |
| " | The Imposition of the Stronger 1990 | GraL1990stro |
| " | Untitled ca. 1990 | GraL1990unti |
| GRAY, DOROTHY (USA) | Hormel Onion Soup Makeup Case 1934 New York | GraD1934horm |
| GREEN, ERIC (USA b. 1956) | Untitled: Alphabet 1993 | GreE1993alph |
| GRIFFITH, GEORGE W. (USA 1851-1923) | White House and Conservatory ca. 1900 Washington DC | GrGW1900wash |
| " | Torii to Gongen Shrine of Hakone 1900 Japan | GrGW1900hako |
| GRIPARI, FANNY (Greece b. 1980) | Spring 2001 | GriF2001spri |
| " | Kite 2006 | GriF2006kite |
| " | Forest 2006 | GriF2006fore |
| GRIVA, ELLIE (Greece b. 1972) | The Black Cat 2000 | GriE2000blac |
| " | Wolvewards 2004 | GriE2004wolv |
| " | Without Subtitle 2004 | GriE2004with |
| GUBERTI-HELFRICH, MANLIO (Italy 1917-2003) | Portrait of Frances Rich (1907-2010) 1953 | GuHe1953rich |
| GUTEKUNST, FREDERICK (USA 1831-1917) | Bust Portrait of Elena Caronis de Ros 1910 Philadelphia | GutF1910caro |