Harry

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

As only name

 * Harry (The Claws of Axos) (TV: The Claws of Axos)
 * Harry (The Coach with the Dragon Tattoo) (TV: The Coach with the Dragon Tattoo)
 * Harry (The Dæmons) (TV: The Dæmons)
 * Harry (Devil in the Smoke) (PROSE: Devil in the Smoke)
 * Harry (Doctor Who and the Free-Fall Warriors) (COMIC: Doctor Who and the Free-Fall Warriors)
 * Harry (Going Off the Rails) (PROSE: Going Off the Rails)
 * Harry (Knock Knock) (TV: Knock Knock)
 * Harry (The Nu-Humans) (AUDIO: The Nu-Humans)
 * Harry (Remembrance of the Daleks) (TV: Remembrance of the Daleks)
 * Harry (The Sea Devils) (TV: The Sea Devils)
 * Harry (The Weeping Angels of Mons) (COMIC: The Weeping Angels of Mons)
 * Harry (The Widow's Curse) (COMIC: The Widow's Curse)

As first name

 * Harry Attrill (PROSE: The Scales of Injustice)
 * Harry Bosco (TV: The Gathering)
 * Harry Burtenshaw (AUDIO: Brand Management)
 * Harry Carruthers (PROSE: Revenge of the Judoon)
 * Harry Crooke (PROSE: Nightshade)
 * Harry Devlin (PROSE: The Burning)
 * Harry Godino (COMIC: Lords of the Ether)
 * Harry Goldstein (PROSE: Timewyrm: Exodus)
 * Harry Gordon (PROSE: Mark of the Medusa)
 * Harry Harvey (PROSE: Damaged Goods)
 * Harry Houdini (PROSE: Houdini and The Space Cuckoos)
 * Harry Hypno (AUDIO: The Stuff of Nightmares)
 * Harry Jones (PROSE: The Changeling Years)
 * Harry Landis (PROSE: Tragedy Day)
 * Harry Lime (PROSE: Attack of the Cybermen)
 * Harry Mailer (TV: The Mind of Evil)
 * Harry McShane (PROSE: Lucifer Rising)
 * Harry Mossop (PROSE: Hunter's Moon)
 * Harry Osgood (TV: The Seeds of Death)
 * Harry Pike (TV: The Last Precinct, Hound of the Korven)
 * Harry Price (WC: Alien File: Erasmus Darkening)
 * Harry Randall (AUDIO: The Magic Mousetrap)
 * Harry Ross (PROSE: Meridians)
 * Harry Sline (AUDIO: The Curse of the Daleks)
 * Harry Slocum (TV: Inferno)
 * Harry Sowersby (TV: The Mad Woman in the Attic)
 * Harry Sullivan, companion to the Fourth Doctor (TV: Robot)
 * Harry Thompson (PROSE: The Way Through the Woods)
 * Harry Trant (COMIC: The Hungry Planet)
 * Harry Truman (PROSE: Falls the Shadow)
 * Harry S. Truman (PROSE: Endgame)
 * Harry Ware (PROSE: The Box Under the Tree)

As an alias

 * "Harry", another name for Hamaeia (PROSE: Relative Dementias)
 * Harold "Harry" Saxon, an identity of (TV: The Sound of Drums)
 * Harry Scopes, a pen name for Timothy Todd (PROSE: Favourite Star)

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

 * Harry Potter, a book series (PROSE: The Gallifrey Chronicles)
 * Hopalong Harry (COMIC: Welcome to Tickle Town)

Guest

 * Harry Dickman, who played George in TV: In the Forest of the Night
 * Harry Fowler, who played Harry in Remembrance of the Daleks
 * Harry Lloyd, who played Jeremy Baines and Son of Mine in TV: Human Nature / The Family of Blood
 * Harry Peacock, who played Proper Dave in TV: Silence in the Library and Forest of the Dead
 * Harry Swift, who played Private Robins in TV: Doctor Who and the Silurians
 * Harry Towb, who played Harry Osgood in TV: The Seeds of Death and McDermott in TV: Terror of the Autons
 * Harry Waters, who played Royce in TV: Warriors' Gate

Monster specialists

 * Harry Brooks, who played Talon and Krang in TV: The Tenth Planet

Extra

 * Harry Fielder, who played several credited and uncredited roles in Doctor Who
 * Harry Tierney, who played several uncredited roles in Doctor Who
 * Harry Van Engel, who played several uncredited roles in Doctor Who

Vocal

 * Harry Ditson, who voiced Grant Avery in AUDIO: Death in Geneva
 * Harry Melling, who voiced Hervey in AUDIO: The Whispering Forest
 * Harry Myers, who was a voice actor for Big Finish Productions

Directors

 * Harry Bunch, who was assistant director on TV: Closing Time

Sound design, effects, music

 * Harry Barnes, who was a sound effects editor on Doctor Who
 * Harry Rabinowitz who was composer for the parody story The Doctor's New Invention

Writers

 * Harry Enfield, who wrote the Space Bar skit
 * Harry Hill, who wrote and appeared in The Harry Hill Show special

Prose

 * Harry Hants, who was the cover artist for Junior Doctor Who and the Giant Robot and Junior Doctor Who and the Brain of Morbius

Comics

 * Harry Candelario, who did production on Doctor Who (1984)
 * Harry Lindfield, who was a comic artist for TV Action

Other

 * Harry Papadopoulos, who was a staff member on Doctor Who Magazine