Marlene Ahrens
Marlene Ahrens Ostertag (July 27, 1933 – June 17, 2020) was a Chilean athlete. She won the silver medal in Javelin throw at the 1956 Summer Olympics in Melbourne with a distance of 50.38 metres. She was the mother of the journalist Karin Ebensperger. She was born in Concepción, Chile.