Kennedy

 occurs several times in the Doctor Who universe and the relevant real world. They are listed below in alphabetical order by surname. If no surname is available, alphabetization occurs by the disambiguation term — that is, the bit between the parentheses in a title like Waitress (Vincent and the Doctor).

As only name

 * Kennedy (The War Machines) (TV: The War Machines)
 * Kennedy (The Evil of the Daleks) (TV: The Evil of the Daleks)
 * Kennedy (The Fearless) (AUDIO: Dalek Empire IV: The Fearless)

As surname

 * Alan Kennedy (AUDIO: Everyone Says Hello)
 * Edward Kennedy (PROSE: Who Killed Kennedy)
 * John F. Kennedy (PROSE: Who Killed Kennedy)
 * Robert Kennedy (PROSE: Who Killed Kennedy)
 * Victor Kennedy (TV: Love & Monsters)

As place name

 * Cape Kennedy (TV: Day of the Moon)
 * Kennedy Space Center (PROSE: Blue Moon)

As name of object, publication or other in-universe item

 * Assassination of John F. Kennedy (PROSE: Who Killed Kennedy, et al)
 * Assassination of Robert Kennedy (PROSE: Who Killed Kennedy, et al)

Actors

 * JoKnell Kennedy, who played Veronica in TV: Escape to LA

Television

 * Stu Kennedy, co-composer for Torchwood