Prana Krushna Parija OBE was an Indian botanist. His research work comprised mainly fundamental and applied aspects of plant physiology, experimental plant morphology, and ecological studies of plant environment. He studied water hyacinth and other aquatic weeds, respiration in leaves and apples, transpiration and heat resistance in plants, rice and algae and storage of apples. He was born in icchapur village Jagatsinghpur in a well known Karana family.