Ajay Gopikisan Piramal (born 3 August 1955) is an Indian billionaire businessman, and the chairman of the Piramal Group, a conglomerate with interests in pharmaceutical, financial services, real estate, healthcare analytics and glass packaging.

His father, Gopikisan Piramal, died in 1979, and after five years he lost an older brother to cancer, prompting him to take over the business.

India's first major shopping mall, Crossroads, was developed from three redundant Piramal factory buildings in Mumbai.

[10] In April 2014, Piramal Enterprises Ltd. sold its 11% stake for INR 8,900 crore, at a 51.78% premium to the price the company had paid in 2011–12.

The purchase was made in addition to INR 1,636 crore investment in Shriram Transport Finance Co. Ltd. for a 9.9% stake.

[46] Piramal is among the Advisory Committee Members of Annamrita, ISKCON Food Relief Foundation (IFRF)[47] that serves 1.2 million meals through its 20 kitchens across India every day.

[58][59] Following the completion of the renovation work, the Brihanmumbai Municipal Corporation (BMC) gave an occupancy certificate to the property in September 2018.