Emilia Plater (Broel-Plater) () (13 November 1806 – 23 December 1831) was a Polish–Lithuanian noblewoman and revolutionary from the lands of the partitioned Polish–Lithuanian Commonwealth. Raised in a patriotic Polish tradition, she fought in the November 1830 Uprising, during which she raised a small unit, participated in several engagements, and received the rank of captain in the Polish-Lithuanian insurgent forces. Near the end of the Uprising, she fell ill and died.