Eastern Slavs yog ib lub zej zog kev coj noj coj ua thiab kev paub lus ntawm Slavs uas hais lus Slavic East. Lub koom haum pab pawg neeg ntawm Sab Hnub Tuaj Slavs, uas, raws li cov kws tshawb fawb feem ntau, tau tswj hwm los ua ib haiv neeg, ua rau cov pej xeem tseem ceeb ntawm lub xeev qub Lavxias teb sab medieval. Raws li qhov tshwm sim ntawm kev nom kev tswv stratification ntawm sab hnub tuaj Slavs, los ntawm lub xyoo pua 17th peb haiv neeg tau tsim (nyob rau hauv kev txiav txim ntawm cov zauv): Lavxias teb sab, Ukrainian, Belarusian