Pisamai Vilaisak (Thai: พิศมัย วิไลศักดิ์; born 7 December 1939) is a Thai actress, Honorary Award Winner "Royal Golden Star" (ดาราทองพระราชทาน) as well as singing recording on record disc and is also a performing arts teacher, the owner of the nickname "Million Dollar Star" and another nickname in the later period is "Bette Davis of Thailand".

The famous film works include Karaked (1958), Finger Nang (1961), Chamloei Rak (1963), Jai Phet (1963), Heavenly Eyes (1964), Son of a Slave (1964), Mongkut Phet (1965), Pimpilalai (1965), Khao Chum Thong Junction (1965), Sao Kruea Fah (1965), Dao Pra Sook (1966), Nohra (1966), Mekkhala (1967), Criminal Love (1967), Ok Thorranee (1968), Madame Yi Hub (1982), etc.

Pisamai's famous works include Sorng Fang Fah (1960), Dutchanee Nang (1961), Chamloei Rak (1963), Heavenly Eyes (1964), Nohra (1966).

In a number of movies, Pisamai used her special talents in Thai dances such as Nohra, Mekhala (1967), Sida (1968), Nueng Nuch (1971), Value of People (1971), Sakkhee Mae Ping (1971) and Daredevil Lam Hak (1975).

In 1961, singing cold lap (หนาวตัก) is a theme song in the movie Dutchanee Nang (ดรรชนีนาง) melody by Kru Samarn Kanchanaplin, petition written by Sakkasem Hutakom or Ing-On, who owns the novel.