Tanisha Mukherjee (Bengali: তানিশা মুখার্জি) (born 1 January 1978 in Mumbai, India), also known as Tanisha, is a Hindi and Tamil actress.
Tanisha is an Indian actress of Bengali–Marathi descent. Tanisha comes from a prominent industry family, which has been working in Bollywood since the 1940s. Her relatives include paternal grandfather Sashadhar Mukherjee, uncles Joy Mukherjee and Deb Mukherjee, great-grandmother Rattan Bai, grandmother Shobhna Samarth and aunt Nutan. Her father is Shomu Mukherjee and her mother is actress Tanuja. Popular multi-award-winning actress Kajol is her older sister and actor Ajay Devgan is her brother-in-law. Tanisha's cousins, Rani Mukherjee, Sharbani Mukherjee and Mohnish Behl are also Bollywood actors; whereas her cousin Ayan Mukerji is a director.
Tanisha's paternal grandfather was a film director and producer who had left a great achievement in the Bombay film industry and was regarded as a stalwart. His wife Satirani Devi, Tanisha's grandmother, was the sister of three great film personalities: Ashok Kumar, Anup Kumar and Kishore Kumar.
Tanisha has one niece, Nysa Devgan (b.2003) and nephew Yug Devgan (b.2010) (her sister, actress Kajol's children)