Slovene Americans or Slovenian Americans are Americans of full or partial Slovene or Slovenian ancestry. Slovenes mostly immigrated to America during the Slovene mass emigration period from the 1880s to World War I.

The Slovenes, also known as Slovenians, are a South Slavic ethnic group native to Slovenia, and adjacent regions in Italy, Austria and Hungary. Slovenes share a common ancestry, culture, history and speak Slovene as their native language. According to ethnic classification based on language, they are closely related to other South Slavic ethnic groups, as well as more distantly to West Slavs.