Post-stroke depression (PSD) is the most frequent psychiatric complication following ischemic stroke, affecting up to 50% of all such patients. Moreover, PSD is associated with increased morbidity and mortality following ischemic stroke. In clinical practice, PSD is underdiagnosed and many affected patients do not receive adequate treatment. This review article summarizes current knowledge regarding epidemiogy, clinical features, risk factors and predisposition, therapy, and prophylaxis of PSD.