Bertha Koiffmann Becker (November 7, 1930 – July 13, 2013) was a Brazilian geographer, author and professor emeritus at the Federal University of Rio de Janeiro. She published more than 180 books, articles, and other works during her career. Much of her research dealt with issues affecting the Amazon rainforest and surrounding regions, as well as the political geography of Brazil. She helped develop new public policies for the Braizlian Ministry of Science and Technology. She spoke as a panelist at the United Nations Conference on Sustainable Development Rio+20 in 2012