Ruijs
Ruijs or Ruys is a Dutch patronymic surname, derived from the archaic Dutch given name Ruis. Variant forms are Ruijsch, Ruis, Ruisch and Ruysch. People with the surname include:
- Anna Charlotte Ruys, Dutch bacteriologist and epidemiologist
- Anthony Ruys, Belgian-born Dutch business executive
- Charles Ruijs de Beerenbrouck, Dutch statesman, Prime Minister of the Netherlands 1918–25 and 1929–33
- Cor Ruys, Dutch actor, stage director and comedian
- Jos Ruijs, Dutch rower
- Mien Ruys, Dutch landscape and garden architect
- Tiny Ruys, Dutch football coach
- Willem Ruis, Dutch game show host
- , Dutch director of shipowner Rotterdamsche Lloyd and executed resistance fighter in World War II
- *, a Koninklijke Rotterdamsche Lloyd-owned passenger liner named after him; known for the hijacking incident under the later name Achille Lauro
- , Dutch shipowner, whose family founded Rotterdamsche Lloyd