Oliver

has many meanings within and without the Doctor Who universe and the real world. They are listed alphabetically by surname.

As only name

 * Oliver, a security guard. (DWA: The Purrfect Crime)

As first name

 * Oliver Barnes, an elderly man and member of Silver Cloak, an organisation created for finding the Doctor. (DW: The End of Time)
 * Oliver Charles, a 20th century politician who was killed by a Slitheen to take his skin. (DW: Aliens of London)
 * Oliver Cromwell, the leader of the English army in Ireland in September 1649.
 * Oliver Day, a companion of the Fourth Doctor.
 * Oliver Harper, a companion of the First Doctor.
 * Oliver Harrington, a deceased friend of Martha Jones. (BBCR: Lost Souls)
 * Oliver Marks, a WWII veteran. (NSA: The Glamour Chase
 * Oliver Morgenstern, a medical student. (DW: Smith and Jones)
 * Oliver Redfern, a deceased solider. (DW: Human Nature)

Other

 * Oliver Twist, a book by Charles Dickens.

As first name

 * Oliver Ager, a Production accountant for Doctor Who.
 * Oliver Ferriman, an actor who played Jonah Bevan in Adrift.
 * Oliver Gilbert, a voice actor who voiced the Daleks in Day of the Daleks.
 * Oliver Hume, a voice actor for Big Finish Productions.
 * Oliver Hume, a voice actor for Big Finish Productions.
 * Oliver Mellor, an actor who played Matt Crane in Army of Ghosts.
 * Oliver Maguire played an Shrieve in The Ribos Operation.
 * Oliver Smith, an actor who played Drak in The Twin Dilemma.

As Last name

 * Sean Oliver, an actor who played Stuart in Survival.