Mary Ann Scherr (1921-) is a jeweler and designer living in Raleigh, North Carolina. Scherr was born in Akron, Ohio, and trained at the Cleveland Institute of Art, The University of Akron, and Kent State University, among others. She has worked in illustration, automotive and toy design, fashion, and metalwork but is most renowned for her functional approach to jewelry design through "body monitors," high-tech utilitarian ornaments that monitor and react to the conditions of the wearer or the wearer's surroundings.