Josephine

, which is often shortened to Jo, 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 first name

 * Jo Jones (née Grant), a companion of the Third Doctor (TV: Terror of the Autons, et al)
 * Josie Day, a companion of the Eighth Doctor (COMIC: The Pictures of Josephine Day, et al.)
 * Jo Nakashima, the journalist who was killed by her car's ATMOS device (TV: The Sontaran Stratagem)

Featured

 * Jo Joyner, who played Lynda Moss ("Lynda with a Y") in TV: Bad Wolf / The Parting of the Ways
 * Jo Rowbottom, who played Mollie Dawson in TV: The Evil of the Daleks
 * Jo Stone-Fewings, who played Davitch Pavale in TV: Bad Wolf / The Parting of the Ways

Extra

 * Jo McLaren, stunt performer, and one-time extra in TV: Adam

Vocal

 * Jo Castleton, a voice actor with several roles in BBV audio plays, as well as a couple of very early Big Finish Productions
 * Jo Sykes, an audio describer whose voice is familiar to many sight-impaired Doctor Who fans, and who appeared on CON: After Effects

Television

 * Jo Glover, a prosthetics technician who worked for Millennium FX throughout series 2 of Doctor Who
 * Jo McLaren, a stunt performer for the Doctor Who stories Day of the Moon and Let's Kill Hitler, and for the Torchwood story Ghost Machine.
 * Jo Pearce, a BBC producer of some internet content for Doctor Who and Torchwood
 * Jo Wright, the BBC's executive producer of Doctor Who (1996)