Károly Ecser (22 October 1931 – 6 April 2005) was a Hungarian weightlifter who competed in the heavyweight class and represented Hungary at international competitions. He won the bronze medal at the 1965 World Weightlifting Championships in the +90 kg category. He participated at the 1964 Summer Olympics in the +90 kg event finishing fifth. Ecser had furthermore the following podium finishes at major championships: bronze in the 1965 World Championships Unlimited class (522.5 kg), bronze in the 1961 European Championships Unlimited class (455.0 kg) silver in the 1962 European Championships Unl
