Johann Lebrecht Eggink was a Baltic German history painter and portraitist.

Eggink was the illegitimate son of the Latvian housekeeper Lovisa Brīviņa and the landlord Friedrich Diedrich Freiherr Knigge (1748-1803). He used the backward reading of his father's name as an alias. Eggink learned painting from 1811–1812 in Dorpat,He studied at the Russian Imperial Art Academy in Saint Petersburg as a guest student. At that time he became a member of a Masonic Lodge. Then he travelled to Dresden, Berlin, Bonn, Munich and Italy, where he mainly dealt specialized in historical painting.

He settled in Mitau and taught drawing at the grammar school there from 1837-1858.