Helge Breloer née Martin (October 28, 1937 – April 23, 2011) was a German jurist, tree-appraisal expert, and author of nonfiction books.
Helge Breloer was born in Mönchengladbach. She was the daughter of Illa und Ernst J. Martin, both dentists and dendrologists and founders of the Sequoiafarm Kaldenkirchen. She had two brothers, the landscape architect Reiner Martin and the author, editor and song composer Erik Martin. Breloer attended the School of Our Lady in Muelhausen at the Lower Rhine, Germany, and studied legal science in Cologne, Freiburg and Munich. Helge Breloer was an expert at arboriculture, specialized in legal aspects and the appraisal of trees and shrubs. In these areas of expertise she was publicly appointed and sworn by the chamber of agriculture of North Rhine-Westphalia from 1982 to 2009. From 2001 - 2008 she lectured Applied Science at the University of Osnabrück.
From 1983 - 1993 Breloer worked with expert witness Werner Koch, who developed the first method for tree appraisal that was accepted by the Federal Court of Justice of Germany. After his death in 1993 she continued their mutual work further using the Koch method which is recognized by jurisdiction as well as in practice. With Claus Mattheck, professor at the Karlsruhe Institute of Technology, she worked on tree failure analysis.