Johann Gottfried Gottlob Mühlig (29 January 1812, Kalbsrieth - 12 April 1884, Frankfurt am Main) was a German ornithologist and entomologist.
Mühlig is best known for his studies of Microlepidoptera.
He described several new species including Coleophora odorariella and Coleophora asteris.
He was a Member of the Entomological Society of Stettin and a friend of the Swiss entomologist Heinrich Frey.