The gross and histopathological changes in the lungs of small ruminants at Kalubia Governorate were investigated. A total of 159 lung samples (134 sheep and 25 goats) showed gross lesions were collected from February 2018 till November 2019. Bacterial strains were isolated from 26 cases out of 159 (16.35%) including various types where Staphylococcus aureus was the most predominant isolated strain from the lungs. Based on histopathological examination, different types of pneumonia (28.9%) including; suppurative pneumonia (10.69%), fibrinous pneumonia (7.54%), interstitial pneumonia (6.28%), granulomatous pneumonia (1.26%) and verminous pneumonia (3.14%) were detected. Bronchitis and bronchiolitis (21.38%); pleural fibrosis (4.4%) were recorded. Pulmonary adenomatosis and fibrosarcoma were detected in lungs of sheep with an incidence of 2.52% and 1.26% respectively. The study concluded that pneumonia is an important lesion in the lungs of small ruminant, and suppurative Pneumonia was the most predominant type. Verminous Pneumonia was detected only in goats and not detected in sheep. Pulmonary adenomatosis were recorded in lungs of sheep but not observed in goat.