Georg Heinrich Patrick Baron von Tiesenhausen (May 18, 1914 – June 4, 2018) was a United States-based German rocket scientist.
After being brought to the United States in 1953 as part of Operation Paperclip, he was part of Wernher von Braun's team at the United States Army, and later, NASA.
He is credited with the first complete design of the Lunar Roving Vehicle and made a variety of other contributions to the space program.
He was a member of Baltic German noble family of Tiesenhausen.