Eugen Cornelius Joseph von Lommel (19 March 1837, Edenkoben – 19 June 1899, Munich) was a German physicist.
He is also notable as the doctoral advisor of the Nobel Prize winner Johannes Stark.
Lommel was born in Edenkoben in the Palatinate, Kingdom of Bavaria.
From 1860 to 1865 he is teacher of physics and chemistry at the canton school of Schwyz.
Finally he was appointed to a chair of experimental physics at Erlangen in 1868 and then went to the University of Munich in 1886, where he died in 1899.