Thomas Ashburton Picken (1818 - March, 1891) was a Scottish artist, engraver, and lithographer active in Camden Town, London during the middle part of the 19th century. Picken was born in Govan, Scotland, but was active in London from at least 1838. Thomas's brother, James Channing Picken (1817 - 18??) was also a lithographer. Neither Picken ever married. Thomas died in Holburn, London.