Bethan is a Welsh feminine given name, and may refer to:

• Bethan Elfyn
  Bethan Elfyn
  Bethan Elfyn is a Welsh radio and television presenter.Bethan was born in Bangor, Gwynedd, was brought up in Newtown, Powys, and now lives in Cardiff. She is a fluent Welsh speaker and has appeared as a panellist on Welsh language channel S4C's music talent show Waw Ffactor...
  
   (21st century), Welsh radio and television presenter
• Bethan Gwanas
  Bethan Gwanas
  Bethan Gwanas is a popular contemporary Welsh author, who publishes exclusively in the Welsh language. A prolific writer, she has had 17 titles published in the last decade...
  
   (born 1962), Welsh author
• Bethan Huws
  Bethan Huws
  Bethan Huws is a Welsh artist who won the B.A.C.A. Europe 2006 award given by the Bonnefantenmuseum in Maastricht.She has exhibited at the Venice Biennale.Bethan Huws is represented in Paris by Yvon Lambert Gallery.-Further reading:...
  
   (born 1961), Welsh artist
• Bethan Jenkins
  Bethan Jenkins
  Bethan Jenkins AM , is a Welsh politician, born in Aberdare, Wales, who has represented the South Wales West Region for Plaid Cymru as a Member of the National Assembly for Wales since 2007.-Background:...
  
   (born 1981), Welsh politician
• Bethan Miller (born 1994), secret identity of the Scottish superhero, "Bethman".

The name is thought to be a diminutive form of Elizabeth, meaning 'God is my oath'. However, Bethan is in fact the diminutive form of Elizabeth Ann . A.A. Milne, author of Winnie the Pooh books, used the name Elizabeth Ann in one of his poems.