Krishna Kulasekaran (born 14 February 1978) credited as Krishna is an Indian actor who mainly appears in Tamil cinema. ^[1] He is the younger brother of Tamil film director Vishnuvardhan.

Krishna's father is film producer K.K.Sekar (Pattiyal Sekar) and his brother is noted film director, Vishnuvardhan.^[2] He went to St. Bede's Anglo Indian Higher Secondary School in Chennai, studied at Loyola College and graduated with an MBA in finance in the United States.^[3] He worked for a year and a half in the IT industry and started his own business that was doing well.^[4] He has also undergone training in Jazz and worked as a dancer/choreographer before he left for US.

As an actor, he first faced the camera for Mani Ratnam's Anjali ^[3] and later appeared in Iruvar and Santosh Sivan's The Terrorist.^[5] He was also chosen to play the younger version of Rajinikanth's character in Thalapathi, but the character was later scrapped because it affected the film's length.^[6] He also starred in small role with Udhaya (2004).^[7]

He played his first lead role in Alibhabha, which was produced by his father.^[8] The film met with favourable reviews, but was not a commercial success.^[4] After his first film, he wanted to do a gangster film based on a true incident in North Madras, called Madras to be directed by Five Star Krishna, but it was shelved because of misunderstandings between the director and the producer.^[4] His next two films Kattradhu Kalavu (2010) ^[9][10] and Kazhugu (2012) were also produced by his father.^[11] In Kazhugu he played someone who recovers bodies of suicide victims who jump off a cliff.^[12] It received positive response.^[13][14]

After appearing in a brief role in Vallinam (2014), he starred in RS Infotainment's horror comedy Yaamirukka Bayamey (2014).^[15] His next films were Vanavarayan Vallavarayan (2014) and Vanmam (2014).^[16][17] In 2015, he starred in action comedy Yatchan directed by his brother Vishnuvardhan.^[18] In 2017, he made his comeback including four thriller releases with Yaakkai, Pandigai, Nibunan and Vizhithiru. In 2018, he appeared in Veera, Kalari and Maari 2. He acted in Kazhugu 2 (2019), sequel to the 2012 film, Kazhugu. However, the film came out of mixed reviews.^[19]