B. S. Saroja is an Indian actress in Malayalam and Tamil films. She is the daughter of Johnson, who acted in the first Malayalam film, Vigathakumaran. She acted with MGR and Sivaji in their only movie together, Koondukkili. Apart from Koondukkili, B.S. Saroja also was the heroine in two more MGR movies, namely "Genoa" and "Puthumai Pithan" of 1950s.

Koondukkili is a 1954 Indian Tamil-language drama film directed and co-produced by T. R. Ramanna. The film stars M. G. Ramachandran, Sivaji Ganesan and B. S. Saroja. Although a commercial failure, it gained historical reputation over time due to the fact it was the only film in which Ramachandran and Ganesan acted together.