Terna may refer to:

Places

* Terňa, a village in the Prešov Region of Slovakia * Terna River, Latur District, Maharashtra, India

Religion

* A terna is a list of three candidates for the office of bishop used in the episcopal selection process of the Roman Catholic Church

People

* Fredrick Terna (1923–2022), Austrian-born American artist

Companies

* Terna - Rete Elettrica Nazionale, the Italian electricity transmission operator *

GEK Terna GEK Terna Holding Real Estate Construction (Genikós etaireía Kataskevastikí)() is a large Greek conglomerate which is listed on the Athens Exchange. Its construction branch Terna is one of the leading enterprises of its sector in Greece. ...

, a Greek construction industry conglomerate * Terna Energy, electric utilities branch of the Greek conglomerate GEK Terna

Organisations

* Grupo Terna, a unit of the National Police of Peru {{Disambiguation, geo