Peanuts have considerable nutrients and are consumed in different forms all over the world since long. Peanut butter is one such product consumed in large quantities especially in western countries since many years. It is not very popular in India and the domestic market is dominated by milk butter. Peanuts are rich in unsaturated fats and other nutrient that may improve Glucose and insulin homeostasis. It also helps in reducing diabetes. It can serve as substitute for red or processed meats. It is very much popular in western countries. Peanut butter is an ideal substitute for milk butter. It is a low calorie, high protein product. Compared to milk butter, its price is very competitive. Peanut butter is most commonly used in sandwiches and as a spread. It is widely used in bakeries and confectioneries. Other uses are in cookies, frosting, cakes, salads, salad dressing, cupcakes, pies, stuffed celery, muffins, biscuits, apples, soup, peanut butter rolls, brownies, vegetable sauces, corn bread, meat loaf, boiled custard, sweet potatoes etc. It is also used in ice-cream and in chocolates. It is also used as table butter in USA and other western countries as being low in calories compared to butter milk. This book, Genetics, Genomics and Breeding of Peanuts, contains an overview of germplasm, advances in genetic and genomic resources, genetic and trait mapping, proteomic and transcriptomic analyses, functional and comparative genomics studies, and molecular breeding applications. This book is a reference tool for students, and researchers to the latest information on peanut genetics and genomics.