Gert Rosenthal Königsberger (born 11 September 1935) is a Guatemalan diplomat. He was born in Amsterdam to a German father and Guatemalan mother and came to Guatemala at the age of three. After secondary education in Guatemala, he studied in the United States and received a BA and an MA in economics from the University of California at Berkeley. He then pursued further studies in economics at San Carlos University in Guatemala City. In 1998, he was a member of the Oversight Commission of the .