- Name: 辛伟廉 / Xin Wei Lian
- English name: William San
- Profession: Singer, model, DJ, host and actor
- Birthdate: Oct-01
- Birthplace: Malaysia
- Height: 180cm
- Weight: 72kg
- Star sign: Libra
- Family: Brother/singer/composer Alex San (辛伟力)
- Languages: Mandarin, English, Malay, Cantonese and Hokkien
- Hobbies: swimming, singing, traveling
- His brother Alex composes songs for him to sing.
- In 2005, he was crowned as "Malaysia's Beach Boy" (阳光男孩 in Chinese).