Events from the year 1777 in art.

• The Cane Tago, a terracotta statue of a dog by Luigi Acquisti, commissioned by an Italian nobleman to commemorate his own pet Weimaraner, is erected in Bologna, Italy.^[1]
• The Kunsthochschule Kassel is founded in Germany.^[2]
• Det Dramatiske Selskab is founded in Copenhagen (Denmark) as an acting academy.

• Antonio Carnicero – Portrait of Pedro Rodríguez, Conde de Campomanes
• Nathaniel Dance-Holland – Portrait of Arthur Murphy
• Thomas Gainsborough
  • Portrait of his daughter Mary
  • Pomeranian Bitch and Puppy ("Two Fox Dogs" – approximate date)
  • The Watering Place
• Francisco Goya – The Parasol (tapestry cartoon – approximate date)
• Jean-Baptiste Greuze – Portrait of Benjamin Franklin
• William Hoare – Portrait of Christopher Anstey with his daughter
• Ozias Humphry – Portrait of George Stubbs
• Philip James de Loutherbourg – Moonlight
• Sir Joshua Reynolds – Portrait of Henry Thrale
• John Francis Rigaud – Agostino Carlini, Francesco Bartolozzi and Giovanni Battista Cipriani
• George Romney – The Gower Family: The Children of Granville, 2nd Earl Gower
• Alexander Roslin – Portraits of
  • Ivan Betskoy
  • Catherine the Great
  • Natalya Golitsyna
  • Gustavus III of Sweden
• John Trumbull – Self-portrait
• John Webber – The Tahitian Princess Poedua, the daughter of Orio, Chief of Raiatea

• January 2 – Christian Daniel Rauch, German sculptor (died 1857)
• January 7 – Lorenzo Bartolini, Italian sculptor (died 1850)
• March 9 – Aleksander Orłowski, Polish painter and sketch maker, pioneer of lithography in the Russian Empire (died 1832)
• March 10 – Louis Hersent, French painter (died 1860)
• March 13 – John Bacon, English sculptor (died 1859)
• June 20 – Jean-Eugène-Charles Alberti, Dutch painter working primarily in Paris (died 1843)
• June 22 (bapt.) – John Thirtle, English watercolour painter and frame-maker (died 1839)
• July 23 – Philipp Otto Runge, German painter (died 1810)
• August 11 – Giuseppe Bossi, Italian painter, arts administrator and writer on art (died 1815)
• October 15 – Christian David Gebauer, Danish animal painter and etcher (died 1831)
• October 16 – J. L. Lund, Danish painter especially of historical subjects (died 1867)
• November 1 – Per Krafft the Younger, Swedish portrait and historical painter (died 1863)
• December 15 – Agostino Aglio, Italian painter, decorator, and engraver (died 1857)
• December 17 – François Marius Granet, French painter (died 1849)
• date unknown
  • George Bullock, English sculptor (died 1818)
  • Gustaf Erik Hedman, Finnish painter (died 1841)
  • Matthew Cotes Wyatt, English painter and sculptor (died 1862)

• April 29 – Antonio Joli, Italian painter of veduta (born 1700)
• May 21 – John Cleveley the Elder, English marine artist (born 1712)^[3]
• June 22 – Johann Joseph Christian, German Baroque sculptor and woodcarver (born 1706)
• July 13 – Guillaume Coustou the Younger, French painter (born 1716)
• August 23 – Charles-Joseph Natoire, French rococo painter (born 1700)
• November 17 - Johan Stålbom, Finnish painter who later lived and worked in Sweden (born 1712)
• December 2 – Lorenzo De Caro, Neapolitan Baroque painter (born 1719)
• December 5 – Claude François Devosge, French sculptor and architect (born 1697)
• date unknown
  • Jean Charles Baquoy, French engraver (born 1721)
  • Pierre-Charles Canot, French engraver who spent most of his career in England (born 1710)^[4]
• probable
  • Nicholas Thomas Dall, Danish landscape painter (date of birth unknown)
  • Francesco Pavona, Italian painter primarily of pastel portraits (born 1695)