Klimavičius is the masculine form of a Lithuanian family name. Its feminine forms in Lithuanian are: Klimavičienė (married woman or widow) and Klimavičiūtė (unmarried woman). It is the Lithuanized form of the East Slavic surname Klimovich. The surname may refer to: Arūnas Klimavičius - football player Tadas Klimavičius - basketball player Lithuanian-language surnames