Look up cinquantenaire in Wiktionary, the free dictionary.
Cinquantenaire may refer to:
- Golden jubilee (50th anniversary) the meaning of cinquantenaire
- 1880 half-century anniversary of the 1830 Belgian Revolution
- Cinquantenaire Park, Brussels, Belgium
- Cinquantenaire Arcade, Brussels, Belgium
- Cinquantenaire Museum, Brussels, Belgium
- Cinquantenaire Hospital of Kinshasa, DRC (Zaire)