Reporting a rare case of Calvarial Cavernous Hemangioma. A 2-months-oldmale baby presented with Right Frontal swelling noticed when baby was 20days old rapidly progressive in size. On examination, it was solitary 6*7cm firm irregular swelling fixed to bone which On CT/MRI showed 6*5*4cm mixed density extra axial lesion in right frontal region with bony destruction causing mass effect and mid line shift? neoplastic. Baby had no neurological deficits. CBC showed Pancytopenia. Patient was operated under GA, total excision of the lesion and margin of surrounding eroded bone was performed. Tumor was completely extradural. Histopathology showed Bony trabeculae separated by loose fibrocollagenous tissue enclosing many endothelium lined Vascular spaces. Post operative no recurrence is observed. Cavernous Hemangioma of skull is very rare in infancy and must be included in differential diagnosis of skull lesions . Untreated Cavernous Hemangiomas may show progression. A suspected Neoplastic swelling turned out to be benign lesion. Timely operative intervention prevented complications due to severe anemia because of intralesional bleed. Keywords: Calvaria; Cavernous Hemangioma; Benign