(n): (New Testament) one of the original 12 disciples chosen by Christ to preach his gospel
(n): a person who has died and has been declared a saint by canonization
(n): (New Testament) the Apostle who betrayed Jesus to his enemies for 30 pieces of silver
(n): (New Testament) one of the original 12 disciples chosen by Christ to preach his gospel
(n): someone who betrays under the guise of friendship
(n): a person who says one thing and does another
(n): a one-way peephole in a door
(n): a hole (in a door or an oven etc) through which you can peep
(n): an ancient kingdom of southern Palestine with Jerusalem as its center
(n): a demarcated area of the Earth
"Carefully he slid open the small judas in his chest and withdrew a heart-shaped disk."
-- "Theme Park Days," John Ashbery, in Chinese Whispers
Not many people are named this for obvious reasons, but I like it.