Samuel

Sam may refer to:

Characters known only by the name of Sam:
 * Sam (Disunited States), a Virginian soldier in The Disunited States of America.
 * Sam (Atlantis), a sailor aboard the Rose in the Atlantis.

These characters have the first name Sam:
 * Sam Carsten, a sailor and POV in Southern Victory.
 * Sam Crawford, a historical baseball player mentioned in "Batboy".
 * Sam Yeager, one of the central protagonists of Worldwar.