| Native Name: | น้ำเงิน บุญหนัก |
| Native Name Lang: | th |
| Other Names: | Peak (Thai: เปี๊ยก) |
| Birth Date: | 24 January 1940 |
| Birth Name: | Sawong Jaruwijit |
| Notable Works: | Krasue Yaisai in Krasue TV series on Ch7 (1994) |
| Years Active: | 1955–present |
Nam-nguen Boonnak (Thai: น้ำเงิน บุญหนัก,, in Thai pronounced as /nám.ŋɤ̄n būn.nàk/) is a Thai actress.
She was born as Sawong Jaruwijit (สวง จารุวิจิตร; nickname: Peak เปี๊ยก) on January 24, 1940 at Bangkok. Her grandfather had the title of Phraya as a playwright who worked closely with King Rama VI. Her father worked in the Royal Irrigation Department and her mother was of Chinese descent.Her family roots are from Suphan Buri.
Boonnak entered the entertainment industry at the age of 17 by following her friends to see a concert by the Air Force Band at Thung Maha Mek. She was invited by an elder in the showbiz, so she immediately starred in her first movie in 1955, without having to go through an audition or study acting like today.
She has won the best supporting actress 1965 Saraswati Awards from Nang Sao Phoradok (นางสาวโพระดก), and won this award again in 1966 from Ka Wao (กาเหว่า).
She has starred alongside legendary performers were Mitr Chaibancha and Petchara Chaowarat. She is also very close to Chaibancha.[1]
Boonnak is well recognized by her role as Yai Sai (ยายสาย), a krasue in the 1994 TV series Krasue (กระสือ),[2] and role as Clark's mother in Monrak luk thung (มนต์รักลูกทุ่ง) in 1995, the remake of 1970 movie in the same title. She also provided the Thai voice for the Grandmother Willow in the animated film Pocahontas in the same year.
In modern times Boonnak is well-acquainted with being a supporting character in many TV series, usually role as servant or grandma.[3]
In the early 2017, she received the lifetime achievement award 31st TVG Awards.[4]