Trigoniaceae is a family of flowering plants, consisting of 28 species in five genera. It is a tropical family found in Madagascar, Southeast Asia, Central and South America.
As of December 2023, Plants of the World Online accepted the following genera:
- Humbertiodendron Leandri
- Isidodendron Fern.Alonso, Pérez-Zab. & Idarraga
- Trigonia Aubl.
- Trigoniastrum Miq.
- Trigoniodendron E.F.Guim. & Miguel
