Ludvig August Smith (22 November 1820 – 12 November 1906) was a Danish painter, specialising in genre painting but also producing portraits and history paintings. Born in Copenhagen, he was the son of Morten Peter Smith (1776-1835) and Lene Dorothea (nee Scheel; 1780-1853). He studied at the Kunstakademiet from 1831 until 1841 and for a time painted there under C.W. Eckersberg. His first exhibition of a work, A Family Scene, came in 1839. His genre works included Supplicants (1853), bought by the Kunstforeningen. Particularly popular was his A Copenhagen Family (1861), popularised via a lithograph copy.