Narf or NARF may refer to: Narf, a fictional creature; A sea nymph in the film Lady in the Water Native American Rights Fund, an American law firm Nuclear prelamin A recognition factor Narf (singer), the stage name of Galician singer Francisco Xavier Pérez Vázquez Narf, a character on Sesame Street; see List of Sesame Street Muppets Narf!, an interjection used by the cartoon character Pinky of Pinky and the Brain