The standard finger bars include mini single fingers (petits or miniatures), two finger mini bars, four (or three) finger standard bars, and "king size" bars (five to eight fingers).
A UK standard 2 finger bar in 2008 packaging
Kit Kat Extra CreamyKit Kat Original — (different taste & texture in different countries)
Kit Kat Fine Dark — UK, Spain & Germany variant of Kit Kat Dark Chocolate
Kit Kat Cacao 61% — Japan — newer version of Kit Kat Bitter with 61% cocoa content
Kit Kat Sakura (Cherry blossom) — Japan —
Kit Kat Cacao 72% — Japan — dark chocolate petits with 72% cocoa content
Kit Kat White Creme — US permanent edition — current version of US Kit Kat White made with vegetable oil based candy coating rather than pure white chocolate
Kit Kat White — Japan & Spain
Kit Kat Iced Tea — Japan
Kit Kat Caramel and Salt — Japan
Kit Kat Kinako (soybean flour) — Japan
Kit Kat Wa Guri (Chestnut flavour) — Japan
Kit Kat Green Tea — Japan
Kit Kat Milky White — Germany variant of Kit Kat White Chocolate
Kit Kat Mint — UK permanent edition, US limited edition — mint flavoured milk chocolate coating
Kit Kat Mint Chocolate — Australia — mint green colour wafers
Kit Kat Apple — Japan
Kit Kat Orange — UK permanent edition, US, Japan, Malaysia limited edition.
Kit Kat International Recipe — Malaysia, Singapore and selected East Asian countries — The chocolate were made from Ghana cocoa beans thus having the tendencies to melt down very easily when compared to Kit Kat Original.
Kit Kat Café Latte with Hokkaidō Milk — Japan
Kit Kat Kiwifruit — Japan
Kit Kat Strawberry — Japan
Kit Kat Peach — Japan
Kit Kat Caramac — UK
Kit Kat Chocolate Overload — Australia — Milk Chocolate outside, chocolate creme filling and chocolate wafers
Kit Kat Gold — Japan — petits with fudge like covering and dusted cocoa powder on outside
Kit Kat Noisette (Hazelnut) — Germany
Kit Kat Lite — India — two finger bar with 50% less sugar
Kit Kat Carb Alternatives — US — low carb version with 50% less sugar carbs
Kit Kat Low Carb — UK
Kit Kat Cantaloupe; Japan
Kit Kat Pineapple; South Africa
Kit Kat Cappuccino; Poland
Kit Kat Triple Berry; Japan
Kit Kat Mango; Japan
Kit Kat Azuki (Red Bean); Japan
Kit Kat Green Grape Muscat; Japan[17]
Kit Kat Caramel Macchiato; Japan (September 2008)[18]
Kit Kat Zunda - mashed edamame beans; Japan (only in Yamagata prefecture)
Kit Kat Hascapp - Hokkaido blueberry; Japan (only in Hokkaido prefecture)
Kit Kat Soy Sauce - "Tokyo Limited Edition" ; Japan
Kit Kat Yakimorokoshi - grilled corn; Japan (only in Hokkaido prefecture)
Kit Kat Jyagaimo - potato; Japan (only in Hokkaido prefecture)
Kit Kat Daigakuimo - candied sweet potato; Japan
Kit Kat Kobe pudding - "Kobe Limited Edition" ; Japan
Kit Kat Houjicha - Japanese roasted tea ; Japan
Kit Kat Kokuto - Black sugar ; Japan
Kit Kat Watermelon and Salt ; Japan
Kit Kat Pumpkin ; Japan
Kit Kat Edamame ; Japan
Kit Kat Banana; Canada
Kit Kat Lemon Chocolate ; Japan (Valentine's limited edition)
Kit Kat Cookies & Chocolate ; Japan
Kit Kat Dark Chocolate; Italy
Kit Kat White Chocolate; Italy
[edit] Large single finger Chunky bars
Kit Kat Chunky
Kit Kat Chunky and Kit Kat Chunky Peanut Butter, as sold in the UK (September 2006)Kit Kat Chunky — UK, Canada, everywhere besides US, Japan , Hong Kong
Kit Kat Big Kat — Japan & Hershey US version of Chunky
Kit Kat Big Kat Bitter — Japan
Kit Kat Black — Turkey — a dark chocolate chunky
Kit Kat Big Break — UK — extra large Chunky bar
Kit Kat Chunky M.A.X. (Maximum Appetite Xcitement) — Canada — another extra large Chunky bar
Kit Kat Chunky White — limited or permanent edition in many different countries
Kit Kat Cookie Dough — Australia
Kit Kat Chunky Hazelnut Cream — Germany
Kit Kat Honeycomb — Australia
Kit Kat caramel — US version of Kit Kat Chunky Caramel
Kit Kat Chunky Caramel — Canada, Australia and UK
Kit Kat Editions Golden Caramel — UK — same as Chunky Caramel
Kit Kat Editions Caramel Dream — Germany — another Chunky Caramel
Kit Kat Peanut butter — UK, Canada, Europe, Australia, — Chunky with peanut butter filling
Kit Kat Editions Tiramisu — UK
Kit Kat Extra Crispy — US — Chunky with a six layer wafer
Kit Kat Strawberry; Australia and raises funds for the National Breast Cancer Foundation
Kit Kat Cookies n Cream; Australia, released in August 2008.
[edit] Other Kit Kat forms and shapes
Kit Kat Choc'n'Go — France — box of individually wrapped fingers
Kit Kat Choc'n'Go Dark Choco — France limited edition — dark chocolate coating with caramelised cocoa pieces
Kit Kat Delight — Italy
Kit Kat Family Block — Australia — twelve finger family size bar
Kit Kat Family Block Chocolate Overload — Australia
Kit Kat I-Stick — Japan limited edition — Creamy bitter chocolate between wafers and dark chocolate coating — two stick format sold in cooler or freezer section of stores
Kit Kat Stick — Japan — box of individually wrapped long Kit Kat fingers
Kit Kat Stick Almond — Japan
Kit Kat Stick Half Bitter — Japan
Kit Kat Tablet — France — same as Kit Kat Family Block
Kit Kat Ball — France — bag of round bite-size pieces
Kit Kat Bites — US, Malaysia &, — similar to Kit Kat ball
Kit Kat Little — Japan — newer version of Kit Kat Baby
Kit Kat Pop Choc — UK, Germany, Poland, The Netherlands — also identical to Kit Kat Ball
Kit Kat Kubes — UK — square-shaped miniature pieces
Kit Kat Chunky — The Netherlands — Bigger size Kit Kat Chunky
Kit Kat Senses; UK & Ireland — hazelnut praline centred
Kit Kat Chunky Duo; UK; A little larger than a Kit Kat Chunky Kingsize, and split into two separate bars.
Kit Kat (Finger size) Almost half the size of a kit kat bar; Pakistan
Kit Kat Watermelon Minis; Japan[17]
Kit Kat Black Sugar Minis; Japan[17]
Kit Kat Cone - Ice-cream cone with vanilla ice-cream covered in chocolate with a single Kit Kat stick in the top; Japan, Denmark
http://en.wikipedia.org/wiki/Kit_Kat