|Date of birth||Jun 27, 1992|
|Siblings||Thulasi Nair, Vignesh Nair|
Karthika Nair (born 27 June 1992) is an Indian film actress in the South Indian film industry. She made her debut in the 2009 Telugu film, Josh opposite Naga Chaitanya. She rose to fame starring in her second and her first successful Tamil film Ko opposite Jiiva.
Karthika was born to former Indian actress Radha, and is the niece of actress Ambika. She has two siblings, a brother and a sister, Thulasi Nair, who is also a South Indian actress. She did her schooling in Podar International School in Mumbai and studied for an international degree in Business from college affiliated to London School of Economics.