Royal Observatory of Belgium
- Country: Belgium
- Type: Science
- Website: www.orb.be
- Update: 05-02
The Royal Observatory of Belgium (French: Observatoire Royal de Belgique; Dutch: Koninklijke Sterrenwacht van België; English: Royal Observatory of Belgium) is a Belgian astronomical observatory located in Ückler, with research areas including Astronomy and astrophysics, heliophysics, seismology, etc. It became a global sunspot data center in 1981.
