Mohini Dey Hartsuch (born 20 July 1996) is a Bengali Indian electric bass player.^[4] She has been part of Gaan Bangla's Wind of Change and Coke Studio India and also plays for A. R. Rahman.^[5][6][7]

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Mohini Dey[1]
Birth name	Mohini Dey
Born	(1996-07-20) 20 July 1996 (age 27)[2]
Origin	Kolkata, West Bengal, India
Genres	Ragazz, funk, fusion, experimental
Occupation(s)	Bassist
Instrument(s)	Bass guitar[3]
Years active	2010–present
Spouse(s)	Mark Hartsuch
Website	mohinideybass.in

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Dey was born and brought up in Mumbai.^[8] When she was born, her parents were struggling to make ends meet, as her father worked as a session musician. He noticed her musical talent before Mohini turned 3 years old and started to nurture it from that point. She received her first Fender Jazz Bass guitar when she was 9 or 10 years old.^[9][3]

She was a prodigy, giving performances since she was 11. Her talent was noticed by her father's friend Ranjit Barot, who took her on his band's tours. She was also mentored by jazz exponent Louis Banks.^[10]

She released her self-titled debut album in August 2023.^[11] Dey and 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.^[18]

Mohini's father, Sujoy Dey, was a jazz fusion bass guitarist who passed away in November 2023. Her mother is Romia Dey, a classical Hindustani singer. She also has a younger sister, Esani Dey, who is a guitarist.

She speaks Marathi, Hindi, Bengali and English.^[8] She is married to saxophonist Mark Hartsuch.^[19]