The fifth series of The Great British Bake Off first aired on 6 August 2014, with twelve contestants. Mel Giedroyc and Sue Perkins presented the show and Mary Berry and Paul Hollywood returned as judges. Twelve contestants competed in this series, and the competition was held in Welford Park in Berkshire.

The programme was moved from BBC Two to BBC One starting this year, but the Masterclass episodes remained on BBC Two. A companion series, The Great British Bake Off: An Extra Slice, hosted by comedian Jo Brand, started this year on BBC Two.

イギリス全土から集まった精鋭のアマチュアベイカーが、自慢の腕を競い合う人気のコンテスト番組、第5シーズン。番組史上最年少の少女をはじめとする個性豊かな12人が登場。毎週3つの課題が出され、評価の低い者が脱落となり、10週かけて第5代の王者を決定する。