Æthelwine, also Aethelwine or Ethelwine is an Anglo-Saxon given name meaning "noble friend". Its Old High German equivalent is Adalwin.

Æthelwine of Abingdon (died 1030), abbot of Abingdon Æthelwine (Bishop of Durham) (died 1071), bishop of Durham Æthelwine of Lindsey, bishop of Lindsey Æthelwine of Athelney, Anglo Saxon Saint Æthelwine of Wells, bishop of Wells Æthelwine of Sceldeforde Anglo Saxon Saint Æthelwine, Ealdorman of East Anglia (died 992), son of Æthelstan Half-King Æthelwine, a son of Æthelweard (son of Alfred), who died in the Battle of Brunanburh (937) Adalwin (died 816), bishop of Regensburg Adalwin (died 873), bishop of Salzburg

See also Ethelwina, Or The House of Fitz-Auburne, a play Edwin Alwin Alvin (disambiguation)