| Usha Nandini | |
| Birth Name: | Usha Devi |
| Birth Date: | 1951 |
| Birth Place: | Kamaleswaram, Trivandrum, Travancore-Cochin, India |
| Education: | Bachelor in Law |
| Occupation: | Actress |
| Years Active: | 1967–1980 |
| Spouse: | Mariappan |
| Children: | 3 |
Usha Nandini is an Indian actress who has appeared in South Indian films. She was a prominent lead actress during the 1970s in Malayalam films. She has also acted in Tamil films.
Ushanandini was born as Usha Devi to parents K. G. Raman Pillai and Saraswathi in 1949 at Kamaleshwaram, Trivandrum, Travancore-Cochin, India. She has a Bachelor of Arts degree.
She made her Malayalam debut in 1967 with Aval, a great success at the box office. She had acted as heroine to Sivaji Ganesan in many Tamil movies like Ponnunjal, Gowravam, Rajapart Rangadurai, Manithanum Deivamagalam and Ennai Pol Oruvan. Nagarame Nandi, Olavum Theeravum, Aa Chithrasalabham Parannotte are the few among the important characters she played.
She is married to a successful business magnate, S. Mariappan. She has three daughters, Preethi, Sajni and Keerthana. She also has had two granddaughters named Diya Tanushree and Tara Devi.