Krishnan is a common name in South India, which refers to the Hindu deity Krishna.
It is also combined with other names into a single name such as Ananthakrishnan, Balakrishnan, Gopalakrishnan, Jayakrishnan, Muralikrishnan, Ramakrishnan, Radhakrishnan, Unnikrishnan, and Venkatakrishnan.
Notable people with the name include: