Jena is a German city, the second largest city in Thuringia, Germany.

Jena may also refer to:

Places Jena, Alabama, an unincorporated community Jena, Florida, an unincorporated community Jena, Louisiana, a town in the United States; named for the German town Jena (Oxford, Maryland), a home on the U.S. National Register of Historic Places Jena, Bokaro, a town in Jharkhand, India Jena, a village in Gavojdia Commune, Timiș County, Romania

People Jena (given name), a list of people with this name Jena (surname), a list of people so named Jena Band of Choctaw Indians

Other Battle of Jena, within Napoleonic battle of Jena–Auerstedt Jena Romanticism, the first phase of Romanticism in German literature Jena Symphony, a musical composition once attributed to Beethoven University of Jena, Germany Jenaplan schools Jena Observatory, Germany 526 Jena, an asteroid Jena (framework), a Semantic Web framework

See also Jenna Iena (disambiguation)