Adin is a Hebrew name from the Bible, where it belongs to the head of a family that returned from the Babylonian exile; it means "slender" or "delicate" and is related to the word for pleasure, eden. In the Balkans Adin is also a Bosnian Muslim name. American parents often use it as a streamlined spelling of Aidan. Adin entered the US top 1000 in 2005, peaked at number 987 in 2007 and ranks number 2766 in 2025.