This research aims to investigate the effect of COVID-19 on the performance of small and medium enterprises (SMEs) in emerging markets in Iran, Iraq and Jordan. In order to collect the required data, a standard questionnaire provided in the literature was used. The research period is the second quarter of 2022, and its population includes managers, accountants and auditors engaged in listed and non-listed companies. The research findings indicate that the outbreak of COVID-19 has affected SMEs’ performance in investigated emerging markets. For the first time, this research has examined the impact of COVID-19 on the performance of SMEs in emerging markets. The research was conducted in the three countries of Iran, Iraq and Jordan, which have different environmental conditions indicating the impact of contextual factors on the effects of the spread of COVID-19. The results can be useful for different parties, such as SMEs’ owners and regulatory bodies in similar markets.