Joseph Henry Wegstein (April 7, 1922 in Washburn, Illinois - August 16, 1985) was an American computer scientist. Wegstein attended the University of Illinois, where he earned a Bachelor of Science (B.S.) degree in physics in 1944, and graduated with a Master of Science (M.S.) in engineering physics in 1948. He worked as Acting Chief of the Office for Information Processing Standards, at the National Bureau of Standards, now National Institute of Standards and Technology (NIST), where he specialized in technical standards for automatic data processing, especially in the technology of fingerprint recognition.