Janulaitis

Janulaitis is a Lithuanian family name. Notable people with the surname include:
 * Augustinas Janulaitis (1878–1950)
 * Elena Janulaitienė (1893–1950)
 * Julija Biliūnienė née Janulaitytė (1880–1978)
 * Veronika Alseikienė née Janulaitytė (1883–1971)