Manasvi Mamgai (born 26 November 1988 in Chandigarh) is an Indian actress, model, and social activist. She won the prestigious Femina Miss India 2010 title and represented India at Miss World 2010, finishing in the top 10. She made her Bollywood debut in Prabhu Dheva's Action Jackson (2014) as the vivacious Marina Fonseca opposite Ajay Devgn. She has also appeared in music videos and brand campaigns and is known for advocacy in women's empowerment. In November 2020, she entered Bigg Boss 14 as a wildcard contestant in Week 6 (alongside Aly Goni and Nilam Soni). She was evicted in Week 17 (Day 112), finishing 11th overall. (Note: in Bigg Boss 17, 2023, she entered again for a brief stint as a different wildcard.)
Winning Femina Miss India 2010; representing India at Miss World 2010 (top 10); Bollywood film Action Jackson (2014, as Marina Fonseca, opposite Ajay Devgn); social activism work.