Toshimaen (としまえん)is an amusement park in Nerima, Tokyo, Japan, owned by the Seibu Group. It has a variety of rides, including three roller coasters, and a water park with 25 slides and six pools.

There are also fishing pools, a ice skating rink, and an insect museum; making the place enjoyable for both adults and kids.

Due to its convenient location and popular attractions, Toshimaen is a popular destination in Tokyo.