There have been five Indian film actresses using the name as their stagename:
* Karthika (1980s actress), appeared in several Malayalam films in the 1980s as well as a role in Nayagan.
* Karthika Adaikalam, appeared in several Tamil films including Thoothukudi and Raman Thediya Seethai
* Karthika Mathew, appeared in several Malayalam and Tamil films including Aparichithan, Nam Naadu and Dindigul Sarathy
* Karthika Menon (born 1986), who appears in films as Bhavana.
* Karthika Nair (born 1992), daughter of actress Radha, and has appeared in Josh, a Telugu film.