Catherine Margaret Ashton, Baroness Ashton of Upholland, GCMG, PC (lahir 20 Mac 1956) ialah ahli politik Parti Buruh United Kingdom. Beliau berkhidmat sebagai Pesuruhjaya Tinggi Kesatuan Eropah untuk Urusan Luar Negeri dan Dasar Keselamatan dan Wakil Presiden Tahap Satu Suruhanjaya Eropah dalam Suruhanjaya Barroso dari 2009 sehingga 2014.^[1]

Wikimedia Commons mempunyai media berkaitan Catherine Ashton

• EU Vice President Catherine Ashton, Official Media Gallery
• Ashton as European Commission's Vice President for External Relations (archived website of 2009)
• HR website in the Council of the European Union Diarkibkan 2014-09-25 di Wayback Machine
• Biography from the Department for Constitutional Affairs
• Announcement of her introduction at the House of Lords House of Lords minutes of proceedings, 10 October 1999
• BBC News (19 November 2009): A profile of EU Foreign Minister Cathy Ashton
• Bio at Debrett's People of Today
• Templat:UK Peer links
• Penampilan catherineashton di C-SPAN
• Templat:Aljazeeratopic
• Templat:Guardian topic
• Templat:JPosttopic
• Catherine Ashton koleksi berita dan komen di The New York Times