Evelyn

 hppears sveral 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 (Random Shoes).

As only name

 * Evelina (DW: The Fires of Pompeii)
 * Evelyn (EDA: Reckless Engineering)

As first name

 * Evelyn Smythe (BFA: The Marian Conspiracy et al)

Vocal

 * Evie Dawney, who voiced Lily in BFA: Survival of the Fittest, and Pallis in BFBS: Year Zero.