Old Monk is a vatted Indian dark Rum, blended and aged for 7 years. It is a dark rum with a distinct vanilla flavour similar to other spiced rums, with an alcohol content of 42.8%. It is produced by Mohan Meakin, based in Mohan Nagar, Ghaziabad, Uttar Pradesh, available in all parts of India.

There is no advertising , its popularity depends on word of mouth and loyalty of customers. Old Monk is the third largest selling rum in the world. Old Monk has been the biggest Indian Made Foreign Liquor (IMFL) brand for many years.

It is sold in five size variants: 90 ml, 180 ml (quarter), 375 ml (half), 750 ml ("full"), and a 1 liter bottle.

The first time it was tasted officially was 19th December 1854. Old Monk had been awarded gold medals at Monde World Selections since 1982.