Dumortier
Dumortier is a surname of French origin. People with that name include:
- André Dumortier, Belgian pianist
- Augustin Dumon-Dumortier, Belgian industrialist, diplomat and liberal politician
- Barthélemy Charles Joseph Dumortier, Belgian botanist and Member of Parliament
- Eugène Dumortier, French paleontologist
- François-Xavier Dumortier, French Roman Catholic priest