Siena University is accredited by Middle States Commission on Higher Education. It has 1 programmatic accredited programs.
The following table describes the detail information of institutional accreditation information.
Institutional Accreditation
| Agency Name | Accreditation Status | Periods |
| Middle States Commission on Higher Education | Accredited | 1/1/1943 - Current |
Programmatic Accreditation
| Program | Accreditation Status | Periods |
| Nursing (CNURED) - Nursing education programs at the baccalaureate degree levels | Accredited | 9/6/2017 - Current |