Jana Defi (born January 10, 1984 in Prague, Czechoslovakia) is a Czech glamour model. Defi has achieved mainstream popularity in the United Kingdom, appearing with top UK glamour model Michelle Marsh on the front cover of the lads' mag Loaded in January 2007. She appeared on the cover again in the March 2007 issue and featured in the magazine's free 3D DVD, photographed with Lucy Pinder. She was featured as the magazine's top centerfold model in the May and June 2007 issue. In 2006, she appeared as a guest on the German talk show Die Oliver Geissen Show. Her official website, Janaglam.com launched in January 2008. Defi speaks seven different languages including Czech, English, German and Polish. She is half-Czech and half-Italian, and was baptized Lutheran.