Narasimha or Nrusimha (नृसिंह, Nṛsiṃha), also spelt as Narasingh and Narasingha, whose name literally translates from Sanskrit as "Man-lion", is an avatar

Avatar

In Hinduism, an avatar is a deliberate descent of a deity to earth, or a descent of the Supreme Being and is mostly translated into English as "incarnation," but more accurately as "appearance" or "manifestation"....

 of Vishnu

Vishnu

Vishnu is the Supreme god in the Vaishnavite tradition of Hinduism. Smarta followers of Adi Shankara, among others, venerate Vishnu as one of the five primary forms of God....

 described in the Puranas, Upanishad

Upanishad

The Upanishads are philosophical texts considered to be an early source of Hindu religion. More than 200 are known, of which the first dozen or so, the oldest and most important, are variously referred to as the principal, main or old Upanishads...

s and other ancient religious texts of Hinduism

Hinduism

Hinduism is the predominant and indigenous religious tradition of the Indian Subcontinent. Hinduism is known to its followers as , amongst many other expressions...

. and one of Hinduism's most popular deities, as evidenced in early epics, iconography, and temple and festival worship for over a millennium.

He is often visualized as half-man/half-lion, having a human-like torso and lower body, with a lion-like face and claws.