Æthelburh of Kent (born 605, sometimes spelled Æthelburg, Ethelburga, Æthelburga; Old English: Æþelburh, Æðelburh, Æðilburh, also known as Tate or Tata), is an early Anglo-Saxon queen consort of Northumbria, the second wife of King Edwin.

As she wis a Christian from Kent, their marriage triggers the initial phase of the conversion of the pagan north of England to Christianity.