Benjamin Kheng Wen Ming (born 15 August 1990) is a Singaporean singer-songwriter, and former national swimmer. Kheng made his music debut with the Singaporean band The Sam Willows, which debuted in 2012.

Kheng was a former national youth swimmer, having trained since he was 6. He attended Anglo-Chinese School (Primary), Anglo-Chinese School (Independent), Singapore Sports School and has a diploma in Arts and Theatre Management from Republic Polytechnic.

Kheng is the keyboardist, rhythm guitarist and vocalist for The Sam Willows. After announcing their hiatus in May 2019, he has since pursued his solo career.

Besides music, Kheng co-created “The BenZi Project,” an online comedy sketch series on YouTube with Singaporean YouTuber Hirzi Zulkiflie.

Kheng is an advocate for youth and social causes, Benjamin has also been invited to speak at TEDxYouth to share his experience in overcoming depression and anxiety disorder with synesthesia.

In August 2021, Kheng collaborated with a virtual influencer, Rae; writing the song they sang together, Worlds.

In 2024, Kheng was chosen to sing the theme song for Singapore's National Day Parade, "Not Alone," which he also wrote the lyrics for. He was joined by members of the Music and Drama Company.

Kheng has a younger sister, Narelle Kheng, who is also part of The Sam Willows. He is married to Singaporean model and 987FM host, Naomi Yeo.