Bang Khae (, ) is a khwaeng (subdistrict) of Bang Khae District, in Bangkok, Thailand. In 2020, it had a total population of 38,915 people.
In 1902, coinciding with the King Chulalongkorn (Rama V)'s reign, Bang Khae had the status of a tambon in the newly planted amphoe, Nong Khaem. It took the name Tambon Lak Nueng (à ¸«à ¸¥à ¸±à ¸Âà ¸«à ¸Âà ¸¶à ¹Âà ¸Â, ).
The name Lak Nueung, meaning "the first milestone", refers to the first milestone of Khlong Phasi Charoen, a khlong (canal) that flows through the area. It is a waterway dug during King Mongkut (Rama IV)'s reign bridging Bangkok to Krathum Baen of Samut Sakhon Province.