Stef Bos (Veenendaal, 12 July 1961) is a Dutch singer who has been living in Cape Town, South Africa. He sings in Dutch (and occasionally in Afrikaans), and has been successful in Belgium, the Netherlands and South Africa ever since his breakthrough single "Papa" (Daddy) came out in 1990.

He wrote Belgium's entry into the 1989 Eurovision Song Contest, "Door De Wind".