Erawan Museum (Thai: พิพิธภัณฑ์ช้างเอราวัณ) is a museum in Samut Prakan Province, Thailand. It is well known for its giant three-headed elephant art display. The three storeys inside the elephant contain antiquities and priceless collections of ancient religious objects belonging to Lek Viriyapant who was the museum owner and also creator of the Ancient Siam and Sanctuary of Truth museums which stores artifacts and heritage items.

The museum displays important model sculptures which shows many facets of Thai culture.

The museum is served by the Chang Erawan BTS station on the Sukhumvit Line.