L. Ganesan (born 24 April, 1934) is a member of the 14th Lok Sabha of India. He represents the Tiruchirappalli constituency of Tamil Nadu and is a member of the Marumalarchi Dravida Munnetra Kazhagam (MDMK) political party.He has rebelled against Vaiko.
In Dec'06 Marumalarchi Dravida Munnetra Kazhagam general secretary Vaiko has "temporarily" relieved the party's presidium chairman L. Ganesan and deputy general secretary Gingee N. Ramachandran of all posts and responsibilities for indulging in "anti-party activities."