From Battlestar Wiki, the free, open content Battlestar Galactica encyclopedia and episode guide
- For those with the name "Bill", see: Bill (disambiguation).
Billy is a common male first name and is shared by the following:
- William Adama is called this by Jaycie McGavin in the "Razor Flashbacks" of the Re-imagined Series.
- Billy Eheres, a baseball player from "Spaceball", an episode of Galactica 1980.
- Billy Keikeya, aide to Laura Roslin during the first year of her administration in the Re-imagined Series.
- Billy Tan, an artist who creates art for various covers of Dynamite Entertainment comic books which are based on the Re-imagined Series.