Wolfgang Martin Josef Lehner (born 1969 in Vilseck) is a German computer scientist. He is noted for his contributions to databases and data management systems.
Lehner is a university professor at the Institute for Systems Architecture and Head of the Database Research Group at TU Dresden and a professor at the Computer Science Department of Aalborg University, Denmark.
Lehner has published 5 textbooks and over 500 co-authored and peer-reviewed publications in data management publication outlets. According to Google Scholar, as of September 2025, he has an H-index of 53.
Lehner is appointed member of the Scientific Commission of the German Science and Humanities Council. Also, he is Vice-President of the Endowment of Very Large Databases Inc. (VLDB). He is known for his contributions to SAP HANA. In 2025, he was named ACM Fellow "for contributions to architectures of main-memory database management systems".