Tengrism (also known as Tengriism, Tengerism, or Tengrianism) is an ethnic and old state
Turko-
Mongolic religion originating in the
Eurasian steppes, based on folk
shamanism
Shamanism is a religious practice that involves a practitioner (shaman) interacting with what they believe to be a Spirit world (Spiritualism), spirit world through Altered state of consciousness, altered states of consciousness, such as tranc ...
,
animism
Animism (from Latin: ' meaning 'breath, Soul, spirit, life') is the belief that objects, places, and creatures all possess a distinct Spirituality, spiritual essence. Potentially, animism perceives all things—Animal, animals, Plant, plants, Ro ...
and generally centered around the titular
sky god Tengri
Tengri ( zh, 騰格里; otk, 𐰚𐰇𐰚:𐱅𐰭𐰼𐰃, Kök Teŋri/Teŋiri, lit=Blue Heaven; Old Uyghur: ''tängri''; Middle Turkic: تآنغرِ; ky, теңир; tr, Tanrı; az, Tanrı; bg, Тангра; Proto-Turkic *''teŋri / * ...
. Tengri was not considered a deity in the usual sense, but a personification of the universe. The purpose of life is, according to the Tengris view, to live in harmony with the universe.

It was the prevailing religion of the Turks, Mongols,
Bulgars
The Bulgars (also Bulghars, Bulgari, Bolgars, Bolghars, Bolgari, Proto-Bulgarians) were Turkic semi-nomadic warrior tribes that flourished in the Pontic–Caspian steppe and the Volga region during the 7th century. They became known as nomad ...
,
Xiongnu,
Huns
The Huns were a nomadic people who lived in Central Asia, the Caucasus, and Eastern Europe between the 4th and 6th century AD. According to European tradition, they were first reported living east of the Volga River, in an area that was par ...
and possibly the
Hungarians
Hungarians, also known as Magyars ( ; hu, magyarok ), are a nation and ethnic group native to Hungary () and historical Hungarian lands who share a common culture, history, ancestry, and language. The Hungarian language belongs to the Ural ...
, and the
state religion of several medieval states: