Csilla Madarász-Bajnogel-Dobai (born 23 June 1943) is a retired Hungarian swimmer who won a bronze medal in the 4 × 100 m freestyle relay at the 1962 European Aquatics Championships.
She competed in the 100 m freestyle, 4 × 100 m freestyle and 4 × 100 m medley events at the 1960 and 1964 Summer Olympics and finished fourth-sixth in all events, except for one relay where her team was disqualified for improper changeover.She was born Csilla Madarász, but changed her last name twice due to marriages.