Sandeep Unnikrishnan (Malayalam:സന്ദീപ്‌ ഉണ്ണികൃഷ്ണൻ) (15 March 1977 – 28 November 2008) was an officer in the Indian Army serving in the elite Special Action Group of the National Security Guards. He was killed in action during the November 2008 Mumbai attacks. He was consequently awarded the Ashoka Chakra, India's highest peace time gallantry award, on 26 January 2009.