Oskar of Prussia
Oskar von Prussia or Oskar Prince of Prussia is the name of the following people:
- Oskar von Prussia (master master, 1888) (1888–1958), Prussian officer; Major General of the Wehrmacht; Lord Master of the Order of St. John
- Oskar Prince of Prussia (Lord Master, 1959) (* 1959), German Lord Master of the Order of St. John