Events from the year 1798 in art.
- January 8 – John Graham Lough, English sculptor known for his funerary monuments and a variety of portrait sculpture (died 1876)
- January 9 – Philippe Joseph Henri Lemaire, French sculptor (died 1880)
- February 17 – Josef Matěj Navrátil, Czech painter of paintings, murals and frescos (died 1865)
- March – David Hay, Scottish-born interior decorator (died 1866)
- March 12 – Elizabeth Goodridge, American painter specializing in miniatures (died 1882)
- April 26 – Eugène Delacroix, French Romantic painter (died 1863)
- June 22 – Ditlev Blunck, Danish painter (died 1854)
- July 16 – Abbondio Sangiorgio, Italian sculptor (died 1879)
- July 29 – Carl Blechen, German painter specializing in fantastic landscapes with demons and grotesque figures (died 1840)
- September 28 – Charles-Philippe Larivière, French academic painter and lithographer (died 1876)
- October 13 – Herman Wilhelm Bissen, Danish sculptor (died 1868)
- October 24 – Massimo d'Azeglio, Italian statesman, novelist and painter (died 1866)
- November 29 – Alexander Brullov, Russian painter, teacher and architect (died 1877)
- December 8 – Antoine Laurent Dantan, French academic sculptor (died 1878)
- date unknown
- John Cart Burgess, English watercolour painter of flowers and landscapes (died 1863)
- Jean Henri De Coene, Belgian painter of genre and historical subjects (died 1866)
- Konstantin Danil, Serbian painter (died 1873)
- William Egley, English miniature painter (died 1870)
- James Eights, American scientist and watercolour painter (died 1882)
- Thomas Foster, Irish portrait painter (died 1826)
- James Duffield Harding, English landscape painter (died 1863)
- Demeter Laccataris, Austro-Hungarian portrait painter of Greek origin (died 1864)
- Henry O'Neill, Irish illustrator and archaeologist (died 1880)
- Robert Seymour, English illustrator (suicide 1836)
- Rafael Stupin, Russian painter (died 1860s)
- Henry Bryan Ziegler, British landscape and portrait painter (died 1874)
- ^ Friedman, Winifred H. (1976). Boydell's Shakespeare Gallery. New York: Garland Publishing Inc.
