Om 3D is a 2013 Indian Telugu-language action thriller film written and directed by debutant Sunil Reddy. The film stars Nandamuri Kalyan Ram, Karthik and Sampath Raj in the lead roles, alongside Kriti Kharbanda and Nikesha Patel. The soundtrack was composed by Achu Rajamani and Sai Karthik.

Murali Karthikeyan Muthuraman, better known by his stage name Karthik, is an Indian actor, playback singer and politician who works in Tamil cinema. He is the son of veteran actor R. Muthuraman. In the 1980s and 90s, Karthik was one of the biggest stars in the industry. He was first introduced by Bharathiraja in the Tamil film Alaigal Oivathillai (1981) and became a lead actor in Tamil films by his own. He has also appeared in some Telugu films where he was initially credited as Murali. Karthik is popularly known as Navarasa Nayagan for his "ability to emote all forms of actions and emotions". He has acted in more than 125 films. He has been the recipient of four Tamil Nadu State Film Awards, a Nandi Award and four Filmfare Awards South.