Robert winner
Robert Sieger is the name of the following people:
- Robert Sieger (Entrepreneur) ( Robert Sieger the Elder ; 1840–1904), Austrian printer, lithographer and entrepreneur
- Robert Sieger (Geographer) ( Robert Sieger the Younger ; 1864–1926), Austrian geographer and university professor
- Robert Sieger (General) (* 1963), German Brigadier General