Sa-ard Piempongsan (nicknamed: Lek) was a renowned actor, television scriptwriter and film director born in Bangkok, Thailand. He graduated from Nihon University in Tokyo, Japan in 1955.

At the age of 23, Sa-ard became a pioneering producer of television programmes for TV Channel 4 Bang Khun Phrom. He made his debut as a leading actor for the TV drama "Duek Sia Laew", with Yenjit Sammaphan as the leading actress.

He went on become a leading actor and director of a number of Thai films and TV dramas. Sa-ard was named a national artist in the performing arts field in 2014. Sa-ard died of heart failure at Vajira Hospital at the age of 88 in 2019.