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 Devgn is her brother-in-law. Tanisha's cousins, Rani Mukerji, Sharbani Mukherjee and Mohnish Behl are also Bollywood actors; whereas her cousin Ayan Mukerji is a director.