Lajeunesse
Lajeunesse is a family name that may refer to :
- Cornélia Nelly Lajeunesse (1849 or 1854-after 1930), Canadian singer, pianist and music teacher
- Joseph Lajeunesse (1818–1904), Canadian musician and music teacher
- Marie-Louise-Emma-Cécile Lajeunesse (1847–1930), Canadian singer, see Emma Albani