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- Judith Resnik
- Osborne Reynolds, (1842–1912)
- Ben Rich – Lockheed Martin Skunk Works; contributor to SR-71 and President during F-117 development
- John M. Riebe, (1921–)
- Wilfrid Thomas Reid (1887–1968)
- Les Frères Robert, Anne-Jean Robert (1758–1820), and Nicolas-Louis Robert. Balloonists
- Gene Roddenberry
- Sir Alliott Verdon Roe
- Jan Roskam
- Ludwig Roth
- Edward J. Ruppelt (1923–1960) – director of Project Blue Book
- Burt Rutan
- Tubal Claude Ryan (1898–1982) founder of the Ryan Aeronautical Company.
Read more about this topic: List Of Aerospace Engineers