Maurice Auguste Régimbart (1852 in Evreux – 22 September 1907 in Evreux) was a French entomologist who specialised in Coleoptera, particularly Dytiscidae, Gyrinidae and Hydrophilidae.
Regimbart worked on expedition material collected mainly from French, Italian and Belgian colonies.
He was a member of the Société entomologique de France.
Regimbart's collection is in the Muséum national d'histoire naturelle in Paris.