| Avicenna Research Institute | |
| Native Name: | پژوهشگاه ابن سینا |
| Established: | 1998 |
| Type: | Research institute |
| City: | Tehran |
| State: | Tehran province |
| Country: | Iran |
| Founder: | Mohammad Mehdi Ahmad Akhondi |
| President: | Mohammadreza Sadeghi |
Avicenna Research Institute (ARI; Persian: پژوهشگاه ابن سینا) – affiliated to ACECR – was established in Tehran in order to achieve medical technologies through clinical and laboratory research projects, in 1998. The institute consists of three research centers, including the Reproductive Biotechnology Research Center (RBRC), the Monoclonal Antibody Research Center (MARC), and the Nanobiotechnology Research Center (NBRC). ARI also includes the Avicenna Biotechnology Incubator and the Avicenna Infertility Clinic (AIC).
Named after Ibn Sina, the research institute was founded in 1998 at Shahid Beheshti University in Tehran.
The most prominent missions of the ARI are as follows: