Madhuvanthi Arun is an Indian educational promoter. She is on the board of trustees of the Calibre Educational Foundation. She is the daughter of popular actor and playwright Y. G. Mahendra and granddaughter of veteran playwright Y. G. Parthasarathy and educationist Rajalakshmi Parthasarathy. Actress Vyjayanthimala and Latha Rajinikanth are her relatives. In 2016, she made her debut in the Tamil film industry as an actress. She is married to V. Arunkumar, grandson of Gemini Ganesan.