Ernest Alexandre Lauth (14 May 1803 – 24 March 1837) was a French anatomist.
He was the son of anatomist Thomas Lauth (1758-1826).
He studied medicine at Strasbourg, receiving his doctorate in 1824 with a thesis on lymphatic vessels.
In 1829 he published a handbook that provided a detailed account involving the injection and preparation of lymph vessels (in regards to anatomical viewing).