Keir
character in Sarah J Maas's "A Court of Thorns and Roses" book series
Keefe
character on animated series "Invader Zim"
Keefe Sencen
character in "Keeper of the Lost Cities" by Shannon Messenger
Keith "Two
Bit" Mathews, character from the book/movie "The Outsiders"
Keith Partridge
character on "The Partridge Family"