Stenocactus is a genus of cacti in the Cactaceae family.
The following genera have been brought into synonymy with Stenocactus:
| Image | Scientific name | Distribution |
|---|---|---|
| Stenocactus coptonogonus | Mexico (Guanajuato, Hidalgo, San Luis Potosí, Zacatecas) | |
| Stenocactus crispatus | Mexico (Oaxaca, Puebla, Zacatecas) | |
| Stenocactus hastatus | Mexico (Hidalgo) | |
| Stenocactus multicostatus | Mexico (Chihuahua, Coahuila de Zaragoza, Durango) | |
| Stenocactus obvallatus | Mexico (Distrito Federal, Mexico) | |
| Stenocactus ochoterenanus | Mexico (Guanajuato, Querétaro de Arteaga) | |
| Stenocactus phyllacanthus | Mexico (Guanajuato, Hidalgo, San Luis Potosí, Zacatecas) | |
| Stenocactus rectispinus | Mexico | |
| Stenocactus sulphureus | Mexico (Hidalgo) | |
| Stenocactus vaupelianus | Mexico (Hidalgo) | |