Lalitha Lenin (Malayalam: ലളിത ലെനിന്‍‍; born 17 July 1946, Thrithalloor, Thrissur, Kerala) is an Indian poet in Malayalam. K. K. Lalitha Bai (her official name) was also the Head of the Department of Library and Information Science, University of Kerala, Thiruvananthapuram. In addition, she was a member in the Senate and Academic Council of the University of Kerala, General Council of Kerala Sahitya Academy, Jansikshan Sansthan Management Board, Governing Body of the State Institute of Children's Literature, State Resource Centre, Kerala State Core Group on Continuing Education. She was also a member of the Governing Body of the State Institute of Languages.