Silas or Silvanus (flourished 1st century) was a leading member of the first Christian community in Jerusalem and later became a companion of Paul in his first missionary journey to Antioch, and also in Paul's second missionary journey to Galatia.

Silas is a fictional character in the popular 2003 novel The Da Vinci Code and the 2006 film based on it. In the film, he was portrayed by Paul Bettany. He is an albino monk, a devotee of the Catholic organization Opus Dei, who practices severe corporal mortification (he is seen using a metal cilice and flogging himself).

Silas is a fictional character from , portrayed by actor Richard Ridings. He is an Immortal.