Keerthi Pandian is an Indian actress who predominantly works in Tamil films. After a brief career as a dancer and theatre actress, she made her film acting debut in 2019 with Thumbaa. She then garnered critical acclaim for her performance in the survival thriller film Anbirkiniyal directed by Gokul. She is also the daughter of actor and politician Arun Pandian and the cousin of actress Ramya Pandian.

Thumbaa is a 2019 Indian Tamil-language adventure film written and directed by Harish Ram L. H. on his directorial debut. The film stars Darshan, newcomer Keerthi Pandian and Dheena. Produced by Surekha Nyapati, the film was distributed by KJR Studios. The film is set against the backdrop of Western Ghats, and mostly consists of VFX and computer graphics. Principal photography began on 27 December 2018, and was completed on 11 April 2019.