An Indian scholar who lived about 1100 A.D. He was a great scholar and critic in सन्स्क्रित् and was born in Kashmir. His masterpiece was a great book " काव्य प्रकाश ". It is divided into ten chapters. Each chapter is entitled " उल्लास ". There is a view expressed by some people that मम्मट wrote only the first nine chapters of this book and the last chapter was written by another scholar named Alaka.

Numerous commentaries on मम्मट 's काव्य प्रकाश have been published. It is said that पतञ्जलि 's commentator कय्यट was the brother of मम्मट . " शब्द व्यापार विचार " is another book written by मम्मट .