Police, led by Pol Lt Col Somsak Thongkliag, Inspector of Phuket City Police arrested the five while they were working as massage therapists in the Sinthavee Hotel in Phuket town.
The five were named as Ma, 19, Nan Mee Mee, 21, Nan Mein Mu, 26, and Nan Tip, 22, from Burma and Van Nak Suk, 31, from Cambodian.
The five have all been charged with working illegally without a work permit and are being held at Phuket Police Station.