Background & Aim: Norovirus genogroup I (NV GI) and NV GII sapovirus (SaV) genogroups I, II, IV, and V , human rotavirus A(HRV), adenovirus serotypes 40 and 41 (AdV) and human astrovirus (AstV) are the most common causes of viral gastroenteritis and result in large outbreaks of viral diarrhea. An estimated 1.8 million children die each year from largely preventable enteric illnesses with the large majority of these mortalities occurring in developing countries. Gastroenteritis is a major cause of morbidity and mortality in children worldwide. Astrovirus and norovirus are the major viral pathogens responsible for gastroenteritis. In this study performs to determine the prevalence of astrovirus and norovirus in fecal specimens of children with gastroenteritis.