Objective: To evaluate the overall prevalence of Toxoplasma gondii infection among birds and poultries in Iran. Methods: Data were systematically collected from 1983 to 2016 in Iran on the following electronic databases: Pub Med, Google Scholar, Science Direct, Scopus, Web of Science, Magiran, Irandoc, Iran Medex, and Scientific Information Database. Additionally, the abstracts of national scientific congresses and dissertations were included. Results: A total of 20 articles in the field of birds and poultries toxoplasmosis, totally examining 4 563 cases with 754 positive results reporting the overall prevalence of infection from all parts of Iran could fulfill our eligibility criteria. The overall estimated prevalence included in chicken 20%(95% CI: 3% to 38%) in chicken, pigeons 8%(95% CI:-17% to 33%) and in sparrows 15%(95% CI:-25% to 54%). Conclusion: Although there is a lack in data about poultries and birds toxoplasmosis in Iran, our meta-analysis revealed that infection rate is high among birds and poultries in Iran. More studies are needed to manage controlling programs and prevention strategies among poultries in Iran.