Fetal cardiac tumors are a rare condition and are histologically benign. Cardiac rabdomyoma is the most common cardiac tumor and may be associated with tuberous sclerosis. Clinical follow-up including monitoring of fetal well-being is warranted as long as the fetus remains asymptomatic and there is no evidence for hydrops fetalis. If obstruction to blood flow and/or early fetal compromise is noted, then the decision of whether to deliver early must be made. We report a case of fetal cardiac tumor diagnosed by antenatal ultrasonography and diagnosed as tuberous sclerosis with brain MRI scanning after birth.