Sieglinde Ammann (néePfannerstill, born 4 February 1946) is a retired Swiss pentathlete and long jumper. She competed at the 1968 and 1972 Summer Olympics with the best result of 17th place in the long jump in 1972.[1] Previously Ammann finished 11th in this event at the 1969 European Championships. Her husband Ernst Ammann competed in the hammer throw at the 1968 Olympics.[2]