K. Rajan (born 19 January 1981 in Negeri Sembilan) is a Malaysian former footballer who is currently the interim head coach of Malaysia Super League club Negeri Sembilan.
A former Sarawak FA player, Rajan have played with several other teams in the Malaysia League.
He also has played with the Malaysia national football team.
On 13 November 2013, Rajan signed for Malaysian FAM League side Malacca United F.C. On 21 January 2014, Rajan made his debut for the club as substitute, in 2-1 FA Cup Malaysia lost against Perlis FA at home. On 23 March 2014, Rajan scored his first goal for Malacca . He scored the opener in Malacca United F.C.'s 3-1 away defeat to Kuala Lumpur FA