The Lithuanian nobility was historically a legally privileged class in the Grand Duchy of Lithuania consisting of Lithuanians, from the historical regions of Lithuania Proper and Samogitia, and, following Lithuania's eastern expansion, many Ruthenian noble families (boyars).
Kebangsawanan Lithuania dulunya adalah kelas yang memiliki hak hukum di Keharyapatihan Lithuania yang terdiri dari orang-orang Lithuania, dari kawasan-kawasan sejarah Lithuania Sebenarnya dan Samogitia, dan, ekspansi timur Lithuania, beberapa keluarga bangsawan (boyar) Ruthenia.