They will be serving gins from Japan, Spain, Portugal, Italy and Germany, as well as gins produced in the UK.
There will be numerous award-winning gins among the selection as well as a choice of flavoured drinks
The price of each gin will include a free mixer.
The five overseas gins are; Gin Mare (Spain), Roku (Japan), Monkey 47 Schwarzwald Dry Gin (Germany), Sharish Blue Magic Gin (Portugal) and Malfy Gin Con Limone (Italy).
The UK gins will include Jawbox Single Dry Gin, Masons Dry Yorkshire Gin, Wrecking Coast Clotted Cream Gin, Brecon Special Reserve, Finni’s Black Bee Gin and Bathtub Gin.
All of the gins will be served in a Copa de Balon glass, which is bulbous in shape, like a balloon, and is perfect for drinking gin and tonic.
Wetherspoon chairman Tim Martin said: “ This is our first national gin festival and we believe that our customers will enjoy trying the superb range of drinks on offer.
“The gins will be on a par with those served in any leading bar, restaurant or hotel, but at far better value prices.”