The given name Varun has its origins in Hindu mythology and Vedic Sanskrit literature dating back to around 1500 BCE. It is derived from the Sanskrit word "Varu," meaning water or the one who encompasses or restrains. In the ancient Hindu Vedas, Varun is the name of the deity who presided over the waters and oceans, enforcing divine law and guarding against sin.

The name Varun appeared in several sacred texts of Hinduism, including the Rigveda, one of the oldest scriptures in the world. The deity Varun was considered one of the most prominent gods in the Vedic pantheon, often invoked alongside Indra and Agni in rituals and hymns. In the Atharvaveda, Varun was associated with the night sky and the celestial ocean, further solidifying his connection with water and the cosmos.

One of the earliest recorded examples of the name Varun can be found in the Mahabharata, the ancient Indian epic poem composed between the 8th and 9th centuries BCE. In this epic, Varun is mentioned as the Lord of the Waters and is revered by the Pandava princes.

Throughout history, several notable figures have borne the name Varun. One such individual was Varun, an ancient Indian astronomer and mathematician who lived around the 6th century CE. He is credited with contributing to the field of astronomy and writing the influential work, Pancha-Siddhantika, which synthesized various astronomical treatises.

Another famous Varun was Varun Dev Saran, an Indian revolutionary and freedom fighter who participated in the Indian independence movement against British rule. He was born in 1889 and played a significant role in the Kakori Train Robbery case in 1925, which aimed to undermine the British government's economic resources.

In the realm of literature, Varun Narain was a prominent Indian author and playwright who lived from 1923 to 1994. He was known for his works that explored themes of social injustice, inequality, and the human condition. His plays, such as "Andha Yug" (The Age of Darkness), earned him critical acclaim and numerous awards.

More recently, Varun Gandhi is an Indian politician and member of the Bharatiya Janata Party (BJP). Born in 1980, he has served as a member of the Lok Sabha, the lower house of India's Parliament, and has been active in various social and political initiatives.

Lastly, Varun Dhawan is a renowned Indian actor who has made his mark in Bollywood films. Born in 1987, he has starred in numerous commercially successful movies, including "Student of the Year," "Badrinath Ki Dulhania," and "Judwaa 2," and has won several awards for his performances.