Legionnaires' disease is caused by a potentially life-threatening infection with the opportunistic Gram-negative bacilli speciesLegionella pneumophila, which is transmitted via inhalation or aspiration of water droplets. Legionnaires’ commonly presents as atypical community-acquired pneumonia with accompanying diarrhea. Although hepatic and renal involvement are relatively uncommon, in this report, we present a case ofLegionellapneumonia with acute hepatitis.