Leo II (or Leon II) may refer to:

People

Leo II (emperor) Leo II (, ; – 474), called the Younger, briefly reigned as a child emperor of the Eastern Roman Empire from 473 to 474. He was the son of Zeno (emperor), Zeno, the Isaurian general and future emperor, and Ariadne (empress), Ariadne, a daughte ...

, Byzantine emperor who reigned from January 18 to November 17, 474 *

Pope Leo II Pope Leo II ( – 28 June 683) was the Bishop of Rome from 17 August 682 to his death on 28 June 683. One of the popes of the Byzantine Papacy, he is described by a contemporary biographer as both just and learned. He is commemorated as a sain ...

, pope from August 682 to July 683 * Leon II of Abkhazia (767/68–811/12) * Leo II (1150–1219), King of Armenia, sometimes referred to as

Leo I, King of Armenia Leo II (; 1150 – 2 May 1219) was the tenth lord of Armenian Kingdom of Cilicia, Armenian Cilicia, ruling from 1187 to 1219, and the first king to be crowned, in 1198/9 (sometimes known as Levon I the Magnificent). Leo eagerly led his kingdom al ...

or Levon I of Armenia, initially known as Prince Leo II * Leo II, King of Armenia (1236–1289), sometimes also referred to as Leo III * Leo II of Halych (d. 1323)

Other

Leo II (dwarf galaxy) Leo II (or Leo B) is a dwarf spheroidal galaxy about 690,000 light-years away in the constellation Leo (constellation), Leo. It is one of 24 known satellite galaxy, satellite galaxies of the Milky Way. Leo II is thought to have a core radius of ...

, a dwarf galaxy discovered in 1950 * LEO II (computer), an early commercial programmable computer *Leo II (theorem prover), an

automated theorem prover Automated theorem proving (also known as ATP or automated deduction) is a subfield of automated reasoning and mathematical logic dealing with proving mathematical theorems by computer programs. Automated reasoning over mathematical proof was a ma ...

Leopard 2 The Leopard 2 is a third generation German main battle tank (MBT). Developed by Krauss-Maffei in the 1970s, the tank entered service in 1979 and replaced the earlier Leopard 1 as the main battle tank of the West German army. Various iterat ...

, a German battle tank {{disambig, hn tr:II. Leo