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Background Pneumonia is the major cause of morbidity and mortality among children worldwide. During the COVID-19 pandemic, the use of antibiotics increased which led to the development of antibiotic-resistant strains of pathogenic organisms causing pneumonia in children. So, studies should be directed to register antimicrobial resistance in each country and to develop local antimicrobial stewardship. This study aimed to identify the distribution of bacteria causing pneumonia among Egyptian children in the year 2020 and their antimicrobial sensitivity. A cross-sectional study was done, it included fifty immunocompetent children with pneumonia admitted to Children's Hospital, Ain-Shams University from June 2020 to December 2020. Bacterial cultures were done on sputum collected using cough swab, or endotracheal tube aspirate, with their antimicrobial sensitivity. Results Thirty children had Community-acquired pneumonia (CAP), while twenty had Hospital-acquired pneumonia (HAP). Streptococcus pneumonia was the most frequently cultured organism in CAP group 7/30 (23.3%). The sensitivity results found linezolid (50%), followed by fluoroquinolones to be the least resistant. While in the HAP group, Klebsiella pneumonia 9/20 (45%) was the most common organism. Colistin (90%) followed by tigecycline (50%), Amikacin (35%), fluoroquinolones (25%), gentamicin (25%), and imipenem (20%) had the least resistance in the HAP group. Conclusion No pathognomonic shift of the bacteria that causes pediatric pneumonia was detected. Although, an increase in antimicrobial resistance was noticed.