Gnanam Balasubramanian, popularly known as Bombay Gnanam, is an Indian actress who appears in Tamil stage, television and film productions. She started her acting career as a stage artist in 1989 when she founded the Mahalakshmi Ladies Drama Group.
She has acted in over 50 Tamil television serials including Premi, Kolangal and Chidhambara Ragasiyam, Sahana, Ethirneechal and Ethirneechal Thodargiradhu (second season of it). She was awarded Kalaimamani in 2005.