A Developmental Pacifier is provided to help infants with functional feeding development and to assist with specific developmental problems in young children such as developmental delays, prematurity, gastro-esophageal reflux, autism spectrum disorder, hypotonicity, cerebral palsy, Down's syndrome, microcephaly, and other sensory integrative dysfunctions. The developmental pacifier of the present invention encourages acceptance of food textures and stimulates oral-motor awareness, and reduces or eliminates functional feeding problems in children. The Developmental Pacifier has a nipple with an upper portion and a base portion, a base, and sensory elements. A series of Developmental Pacifiers with varying sensory elements may be used for certain treatment regimens as prescribed by a medical practitioner, pediatric occupational therapist, or other pediatric specialist.