Jocelyn is a surname and first name. It is a unisex (male/female) name. Variants include Jocelin, Joceline, Jocelyne, Jocelynn, Jocelynne, Joscelin, Josceline, Joscelyn, Joscelynn, Joscelynne, Joseline, Joselyn, Joselyne, Joslin, Joslyn, Josselin, Joslynn, Josselyn, Josilyn, Josslyn, Joycelyn, and Juscelino. The name may derive from Josselin, a locality in Brittany, France, and have been introduced to England after the Norman Conquest. It derives from the Germanic name Gauzlin.
In French, the spelling "Jocelyn" is exclusively male. The female counterpart is spelled "Jocelyne".