Siesikai is a town in UkmergÃÂ district municipality, Vilnius County, east Lithuania. According to the 2011 census, the town has a population of 508 people. The town has a Catholic church.
Its alternate names include Sesikay, Sesiki, Sessiki, Siesiki (Polish), Siesikà ³, Sesik or Sheshik (Yiddish), and Siyesikay.