Wilhelm Kobelt (20 February 1840 – 26 March 1916) was a German zoologist born in Alsfeld, Grand Duchy of Hesse.

Kobelt was born in Alsfeld to parish priest Wilhelm (1809–74) and Auguste (1815–97) née Kessler.

He practices as a physician in Biedenkopf where he began a natural history society, and in 1869 he went to Schwanheim near Frankfurt am Main.

He became interested in molluscs and interacted with Emil Adolf Rossmäßler in Leipzig.

He became a corresponding member of the Senckenberg nature research society and later became head of the mollusc section.