S. N. Lakshmi or Sennalkudi Narayana Thevar Lakshmi (born 1927 – 20 February 2012) was an Indian film actress, who appeared in supporting roles, often essaying roles of mother or grandmother in films. A recipient of the state government's Kalaimamani and Kalaiselvam awards, Lakshmi acted in more than 1,500 films and 6,000 dramas.