日本龙虾（学名：Panulirus japonicus，俗名：龙虾、红龙虾，日语汉字写成伊势海老）是龙虾科中的一个物种。

日本龙虾的体长可达30厘米，不过大多数仅达到25厘米。日本龙虾生活在太平洋西部水域中，日本和朝鲜海岸、东海，以及中国沿海和**的海岸。在日本，日本龙虾被商业捕捞，在商场里可以买到新鲜的或者冷冻的日本龙虾。

The Japanese spiny lobster(イセエビ（伊勢蝦/伊勢海老）,ise-ebi), Panulirus japonicus, is a member of the Panulirus genus of spiny lobsters. It grows up to 30 centimetres (12 in) long and lives in the Pacific Ocean around Japan, China, and Korea. P. japonicus is the subject of commercial lobster fishery in Japan. It is a popular item in high-class Japanese cuisine. Serving and preparation methods include sashimi, as a steak, frying, and roasting alive (残酷焼, zankoku-yaki).