Lyubushkin
Luukkonen () is a masculine Russian surname, its feminine counterpart is Lyubushkina. Notable people with the surname include:

Aleksei Lyubushkin (born 1990), Russian football defender
Ekaterina Lyubushkina (born 1990), Russian volleyball player
Ilya Lyubushkin (born 1994), Russian ice hockey defenceman

Russian-language surnames