This chapter delves into the unique properties and potential health benefits of dietary fibers derived from pumpkin seeds. This natural fiber, rich in essential nutrients and bioactive compounds, has garnered attention for its role in promoting digestive health and its potential to aid in weight management and glycemic control. Furthermore, the chapter discusses the potential applications of pumpkin seed fiber in the food industry, considering its use as an ingredient to enhance the profile of nutrition and textural properties of many food products. The integration of pumpkin seed fiber into diets is shown to improve satiety, decrease chronic disease risk, and support metabolic health. The chapter concludes by addressing the challenges and future prospects of utilizing pumpkin seed fiber in commercial food products, emphasizing the need for further research to fully understand its health benefits and optimize its use in functional foods.