Teodoro Viero (1740–1819) was an Italian printmaker and publisher, active in Venice.
He was a pupil of Nicolò Cavalli, Pitteri and Bartolozzi, from whom he learnt the art of engraving.
He practised as a miniature painter, engraver and publisher,[1] specializing in views of Venice.
[2] He died on 2 August 1819 or, according to some sources, on 2 October 1821.
[1] He was the maternal uncle of Luigi Schiavonetti.