Cornelia Bürki (born October 3, 1953) is a South African-born retired long-distance runner who represented Switzerland in three consecutive Olympic Games, starting in 1980, with her best result being fifth in the 1984 3000 metres final. She is a 47-time Swiss national outdoor champion, which includes a fifteen-year undefeated streak in cross country and fifteen consecutive titles over 1500 metres, from 1975 to 1989. She was voted the Swiss Sports Personality of the Year in 1978. That year she finished fifth at the 1978 IAAF World Cross Country Championships. She was fourth in the 1500m and 3000m finals at the 1987 World Championships.