Ban Chang Lo (Thai: บ้านช่างหล่อ, pronounced [bâːn t͡ɕʰâ(ː)ŋ lɔ̀ː]) is one of five subdistricts (khwaeng) and namesake historic neighbourhood in Bangkok Noi District, Bangkok's Thonburi side (west bank of Chao Phraya River).

Its name meaning "Village of Caster", because people in this community have a history that dates back to the Thonburi and early Rattanakosin Kingdoms, their ancestors had a career in casting Buddha images.

The area of Ban Chang Lo had a canal through to Chao Phraya River at Wat Rakhang nearby.

At present, those who have a casting Buddha image have moved to open the foundries and shops along Phran Nok Road near Fai Chai Intersection.

Nowadays, the area opposite Wat Wiset Kan's gate with a blue sign indicating Ban Chang Lo Community installed on Wang Lang Road, which is an alley connects to Soi Itsaraphap 44 and leads to other communities and places such as Ban Khamin, Trok Matum (Soi Arun Amarin 23), Thonburi Hospital and Navy Park Club.