B. R. Vijay Kumar, who is professionally known as Duniya Vijay and Duniya Viji, is an Indian actor and film director known for his work in Kannada films. As an actor, he began his career playing small roles until he got his big break in Duniya (2007). He is noted for his performances in Chanda (2007), Junglee (2009), Johny Mera Naam Preethi Mera Kaam (2011) and Jayammana Maga (2013).

Duniya (transl. World) is a 2007 Indian Kannada-language film written and directed by Soori and starring Vijay in his lead debut and newcomer Rashmi. It was successful with both critics and audience. Post the success of this film, Vijay received many film offers.