Konstancja Skirmuntt (also Konstancja Skirmunttówna, Lithuanian: Konstancija Skirmuntaitė; 1851–1934) was an amateur Polish-Lithuanian historian, a member of the Krajowcy movement who wanted to preserve the dual Polish-Lithuanian identity. Born to a noble family of deep roots in the former Grand Duchy of Lithuania, Skirmuntt spent most of her life in or near Pinsk. Without any formal education in history, she wrote four major historical works that romanticized and idealized the past. Written in easy and accessible language, they became popular. She also published articles in Polish and Lithuan