Šimkus (may also be rendered as Shimkus (phonetic) or Simkus (loss of diacritics)) is a Lithuanian-language surname derived from the name Simon (Šimon).

Šimkus
Lithuanian surname
m.:Šimkus
f.: (unmarried)Šimkutė
f.: (married)Šimkienė
Related namesShimkus, Simkus

The surname may refer to: