KrupskayafRussian, Yiddish (Russified) Derived from Russian крупа (krupa), meaning "grains". This was the last name of Nadezhda Krupskaya, Lenin's wife.
KudashevBashkir, Tatar, Russian Means "son of Kudash", from a given name of Mordvin or Turkic origin possibly meaning "woman's son" or "wife's son", referring to a boy born from one father and another mother (in relation to his half-siblings)... [more]
KukavaGeorgian (Rare), Mingrelian (Rare) Not much is known about the meaning of the Mingrelian last name "Kukava" (Mingrelia being a province in Georgia), but it is recorded that the surname was possibly Apsuafied somewhere in 17th century, being turned into "Kukaa" (-aa is usually an Apsuan surname suffix) and then re-Mingrelifying some decades later back to its current form - "Kukava." The earliest known person with the last name dates back to 17th century, his name being Ivana Kuka, a Mingrelian male who lived in the Abkhazia province of Georgia.
KulakRussian, Ukrainian, Belarusian, Polish Means "fist". Was also used to describe Ukrainian farmers who went against the Soviet government in the early 30s.
KupinaCroatian, Russian The Croatian form is derived from kupina, meaning "blackberry". The Russian form is derived from Неопалимая купина (Neopalimaya Kupina), referring to the burning bush from the Book of Exodus.
LesorukovmRussian From Russian dialectal лесорук (lesoruk), meaning "lumberjack, woodcutter". The word itself comes from лес (les) "forest" and рука (ruka) "hand, arm".
LetovmRussian From Russian лето (leto), meaning "summer".
LimonovmRussian Derived from Russian word "лимон (limon)" meaning "lemon". This is the last name of Eduard Limonov, the leader of the National Bolshevik Party in Russia.
LomakinmRussian Means "son of the breaker", from Russian ломать (lomat') "to break".
LomishviliGeorgian Basically means "child of a lion” in Georgian, from Georgian ლომი (lomi) meaning "lion" combined with an Eastern Georgian surname suffix -შვილი (-shvili) meaning "child".
LopataRussian, Ukrainian Derived either from Russian лопата (lopata) or Ukrainian лопата (lopata) both meaning "spade, shovel". This may have been a nickname for a digger or a truck farmer.
LopatinmRussian Occupational name derived from Russian лопата (lopata) meaning "shovel, spade".
LyovochkinmRussian Derived from a diminutive of the name Lyov or from the word лёв (lyov), meaning lion in Russian.
LyskinBelarusian, Russian, Ukrainian Derived either from Belarusian лысы (lysy) or Russian лысый (lysy) or Ukrainian лисий (lysyi) all meaning "bald, bald-headed, hairless".
LysovmRussian From Russian лысый (lysyy), meaning "bald". Compare Ukrainian Lysenko.
LyubarovmRussian From Russian любовь (lyubov'), meaning "love".