| Instituto Regiomontano AC | |
| Motto: | Esto Vir (Latin: Being a Man) |
| Type: | Private |
| Affiliations: | Catholic, Lasallian |
| Principal: | Alejandro Romero Frausto |
| City: | Monterrey |
| State: | Nuevo Leon |
| Country: | México |
| Nickname: | Regio |
| Colors: | Blue, Red, White |
| Mascot: | Lion |
| Campus: | ChepeVera, Cumbres, Santa Catarina |
| Website: | http://www.ir.edu.mx |
Instituto Regiomontano is a private institution serving students from Pre-School through High School in Monterrey, Nuevo Leon. It is part of the Institute of the Brothers of the Christian Schools. It has two campuses: Chepe Vera and Cumbres. The actual principal of the school is Alejandro Romero Frausto. In September 2022 the school turned 80.