Mohini Dey (born 20 July 1996) is an Indian bass player from Kolkata.

[4] She is part of Gaan Bangla's Wind of Change and Coke Studio India and also plays for A. R.

[8] When she was born, her parents were struggling to make ends meet, as her father worked as a session musician.

[11] She and her husband, Mark Hartsuch, play together in the band MaMoGi, along with drummer Gino Banks.

[12] She has collaborated with Steve Vai, Marco Minnemann,[13][14] Jordan Rudess[15] of Dream Theater, Jason Richardson,[16] Dewa Budjana,[17] Zakir Hussain, Sivamani, A. R. Rahman,[3] and Willow Smith.