Luarsab (Georgian: ლუარსაბი, died 1652) was a member of the Bagrationi dynasty of Kartli, a great-grandson of King Luarsab I and relative of the childless King Rostom, who adopted him and made him heir apparent in 1639. Luarsab also married Rostom's niece by whom he had a son. Luarsab was killed while on a hunt. A homicide was immediately suspected. The suspect was tried by single combat and wounded, but acquitted by virtue of being a victor in the duel.