Aruna may mean several things, including:
- Aruṇa, a charioteer of the Surya, a god of the Hindus
- Aruna (Hittite mythology), the son of Kamrusepa and the god of the sea in Hittite mythology
- Aruna Dindane, football player with RC Lens
- Aruna (comics), a superheroine in the universe of DC Comics
- Arun (name), a common male name of Hindus in India and other places.
- Aruṇodaya, "sunrise", since it refers to the rise of Aruṇ (meaning Sun)
- Arunachal Pradesh, the easternmost state of India
- Arunachala, the holy hill at Thiruvannamalai in Tamil Nadu