Arun Vijay was born into a film family as the only son to actor Vijayakumar and his first wife Muthukannu.
In 2006, Arun Vijay married Aarthi, daughter of film producer Dr. N. S. Mohan and a post-graduate in Psychology,[REF][REF] with whom he has a daughter, Purvi and a son, Arnav Vijay.