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Ystwyth Valley under Snow 1914–1918 Valerius de Saedeleer (1867–1941)Ystwyth Valley under Snow 1914–1918 Aberystwyth University School of Art Museum and Galleries
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Ystumtuen 1985 Hywel Harries (1921–1990)Ystumtuen 1985 Llyfrgell Genedlaethol Cymru / The National Library of Wales
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Ystrad Mynach Church 1917 Obediah Hodges (1873/1874–1938)Ystrad Mynach Church 1917 Penallta House
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Ynys Enlli 1960 John Baum (b.1942)Ynys Enlli 1960 Aberystwyth University School of Art Museum and Galleries
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Y Garn and Foel Goch c.1950 Kyffin Williams (1918–2006)Y Garn and Foel Goch c.1950 Scarborough Art Gallery
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Y Garn Mountains 1891 Joseph P. Knight (1837–1909)Y Garn Mountains 1891 Blackburn Museum and Art Gallery
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Winter in South Wales 1886 J. F. ProctorWinter in South Wales 1886 Leicester Museum & Art Gallery
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Winter Landscape near Aberystwyth 1914–1920 Valerius de Saedeleer (1867–1941)Winter Landscape near Aberystwyth 1914–1920 Gregynog Hall
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Wild Wales 1872 Benjamin Williams Leader (1831–1923)Wild Wales 1872 Salford Museum & Art Gallery
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Wenallt Woods 1994 Joan Elizabeth Baker (1922–2017)Wenallt Woods 1994 University of South Wales Art Collection Museum
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Welsh Landscape in Winter 1912–1913 Derwent Lees (1884–1931)Welsh Landscape in Winter 1912–1913 Glynn Vivian Art Gallery
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Welsh Landscape c.1900 H. Y. (Canon) GandertonWelsh Landscape c.1900 Art Collection, Durham University
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Welsh Harvest Field 1892 John Clayton Adams (1840–1906)Welsh Harvest Field 1892 Williamson Art Gallery & Museum
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Welsh Cottage 1958 Fred Uhlman (1901–1985)Welsh Cottage 1958 Glynn Vivian Art Gallery
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Wedding at Seion Chapel, St David's c.2008 John Rogers (b.1939)Wedding at Seion Chapel, St David's c.2008 Llyfrgell Genedlaethol Cymru / The National Library of Wales
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Wattstown 1960s George Chapman (1908–1993)Wattstown 1960s Llyfrgell Genedlaethol Cymru / The National Library of Wales
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Watford Farm, Caerphilly c.1916 Parker Hagarty (1859–1934)Watford Farm, Caerphilly c.1916 Cyfarthfa Castle Museum & Art Gallery
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Wales, Travel by Train c.1960 Frank Wootton (1911–1998)Wales, Travel by Train c.1960 National Railway Museum
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Wales, Cader Idris and the Afon Mawddach 1937 Herbert Alker Tripp (1883–1954)Wales, Cader Idris and the Afon Mawddach 1937 National Railway Museum
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Wales Leonard Richmond (1889–1965)Wales National Railway Museum