Kadel is of Hebrew origin, meaning 'worshipper of God'. It is a unisex name, used for both boys and girls. In the Old Testament of the Bible, Kadel is mentioned as the father of Eliphaz, one of Esau's sons. The name gained popularity in the United States during the 20th century but has since become less common. It is often associated with other Hebrew names like Caleb and Joel.
In 2009, there were five newborn girls named Kadel. Overall, a total of five babies have been given this name since records began.