Adeline is a feminine given name meaning 'noble' or 'nobility'; it is of German origin and derived from Old High German adal "noble.

"[1] The root lives on in the New High German words Adel "nobility," edel "noble," and adelig "noble."

[2] Adeline was introduced to England by the Normans in the 11th century and was very common in the Middle Ages.

[3] Its variants include Adelin, Adelina, Adaline, Adalyn, Adalynn, Adelyn, Adalene, Adeleine, Aada, Ada, Alina, Aline, Adelita and Alita, Zélie.

Notable people with the name include: