乌帽龙占（学名：Lethrinus lentjan），又名扁裸颊鲷、龙尖，为龙占鱼科裸颊鲷属下的一个种。

Lethrinus lentjan is a species of emperor fish. It has a distinctive blood-red colouration around the margin of the gill covers. It is widespread around the Indo-West Pacific, and is reef-associated. This species is fished commercially and for sport.