Jankūnas is a Lithuanian surname. Jankūnas, Jankunas or Jankūnaitė may refer to:
Angelė Rupšienė (born 1952), née Jankūnaitė, Lithuanian retired basketball player Julieta Jankunas (born 1999), Argentine field hockey player Paulius Jankūnas (born 1984), Lithuanian basketball player Vytenis Jankūnas (born 1961), Lithuanian-American visual artist