Manini De is an Indian film and television actress who rose to stardom by playing the role of Katiya in Ssshhhh...Koi Hai,^[1] Pari Kapadia in Jassi Jaissi Koi Nahin.^[2][3] She is also known for her role as Dr Sonali Barwe in C.I.D.^[4] She has been a part of many TV serials. She has also appeared in films. She played the role of Shagun in Laado 2.^[5] From November 2023 to April 2024 she was seen as Rajrani Param Dhillon in Dalchini.

Her first marriage lasted five years before she got divorced from her first husband with whom she had a daughter named Dianoor "Diya". Her daughter Dianoor "Diya" from her first marriage was born in the year 2000.^{[citation needed]} Manini married television actor Mihir Mishra on 30 December 2004. In July 2020, De told Bombay Times that she and Misra have been living separately for past six months.^[6]

Maninee De was one of the top ten finalists in the 1994 Miss India beauty pageant. Her career in television started as a host of interview show Mansi.^[7]

Maninee De was first recognized for playing Pari Kapadia, the best friend of villain Mallika, in the TV serial Jassi Jaissi Koi Nahin. Maninee played Aunt Chanchal in the TV series Ghar Ki Lakshmi Betiyaan. In 2005, she had a part in The Great Indian Comedy Show of Star One, and was also in the reality show Nach Baliye with her husband. Maninee De played Ragini in SAB TV's serial Twinkle Beauty Parlour, and also appeared in the Remix. Maninee has also appeared as Dr Sonali Barwe, a forensic expert, in the detective series C.I.D..

She also appeared in the popular Sahara one drama Kesariya Balam Aavo Hamare Des. In 2006, Maninee appeared in the film Krrish as a friend of the character of Priyanka Chopra. In 2007, she was seen as Ambalika in Naaginn. In 2008, Maninee appeared in the film Fashion as Sheena Bajaj, a fashion magazine expert. In 2009–2010, she appeared in the youth oriented Disney show Kya Mast Hai Life. She portrayed the role of a Bollywood superstar mother, Sushmita Juneja, who cannot speak Hindi properly. She also portrayed the role of Vijaya, elder sister of Sati, portrayed by Mouni Roy in mythological serial Devon Ke Dev – Mahadev. From 2011, she is occasionally seen in courtroom drama Adaalat as prosecution lawyer "Devyani Bose".

She had featured in Student of the Year where she played the role of Geetha, Abhimanyu (Siddharth Malhotra)'s bad aunt.

She was part of Diya Aur Baati Hum, aired on Star Plus and portrayed the character of inspector Singh.^[8]