Nimesh Kampani (born 30 September 1946) is an Indian investment banker.
He is the chairman of the JM Financial group of companies.
His personal wealth was valued at US$ 9.54 billion in 2009 making him the 101th richest in India, at that time.
The Kampani family's combined direct and indirect equity ownership of JM Financial Ltd is between 60% and 65%.
Livemint called him along with Hemendra Kothari and Uday Kotak the "Three K's" of India's leaders in investment banking.In 2014, the court named him as the mediator in the inheritance dispute between Shardul and Cyril Shroff over the law firm Amarchand Mangaldas, which at the time was India's largest.