Boon Lay is a planning area located in the West Region of Singapore.

The latter is a residential neighbourhood located in the adjacent Jurong West Planning Area.

Along with adjacent Pioneer, the Boon Lay Planning Area is a constituent part of the much larger Jurong Industrial Estate.

The Boon Lay Planning Area is located along the southwestern coast of the Singapore mainland and to the north of Jurong Island.

As defined by the Urban Redevelopment Authority, Boon Lay Planning Area is officially divided into 4 subzones: