Arunoday Singh (born 17 February 1983) is an Indian film actor. His debut movie was Sikandar (2009). Singh has appeared in Sudhir Mishra's Yeh Saali Zindagi (2011), Pooja Bhatt's Jism 2 (2012), David Dhawan's Main Tera Hero (2014), and Ashutosh Gowariker's Mohenjo Daro (2016). He was also the protagonist in the film Buddha in a Traffic Jam (2016), by Vivek Agnihotri, dealing with the issue of naxalism. He also starred as a supporting actor in the 2018 Abhinay Deo film Blackmail.
Arunoday was born on 17 February 1983 in Churhat, near Sidhi district of Madhya Pradesh, India. He is the grandson of Arjun Singh, son of Ajay Singh (Rahul bhaiya) leader of opposition in Madhya Pradesh State assembly an Indian politician who was the Chief Minister of Madhya Pradesh.
He is an alumnus of Brandeis University, having previously been educated at a boarding school in Kodaikanal, where he performed in school plays. According to him, it was after watching actor Marlon Brando in On the Waterfront (1954) that he decided to become an actor. After his graduation, he did a few courses in the New York Film Academy, and thereafter enrolled in the Acting Studio in New York, during the period he also performed in plays.