Official Name dari setiap rilis ubuntu adalah “Ubuntu X.YY” dengan X yang berarti tahun dikurangi 2000 dan YY yang berarti bulan dimana saat ubuntu tersebut dirilis.

berikut adalah daftar codename rilis Ubuntu

Adjective Animal Version Description
Warty Warthog 4.10 The first “hog”
Hoary Hedgehog 5.04 Meaning “covered with hair”, or “mature/old/wise”
Breezy Badger 5.10 was going to be “Bendy Badger”… :)
Dapper Drake 6.06 Polished, with 5 years of support!
Edgy Eft 6.10
Feisty Fawn 7.04 Courage and restlessness
Gutsy Gibbon 7.10 Go Ape!
Hardy Heron 8.04 Hardy Heron with 5 years of support! Most people wanted Happy/Hungry Hippo :(
Intrepid Ibex 8.10 Released October 2008
Jaunty Jackalope 9.04 Released April 2009
Karmic Koala 9.10 Released October 2009
Lucid Lynx 10.04 clear minded thoughtful predator
Maverick Meerkat 10.10 sabdfl: Meerkats are light, fast and social – everything we want in a Perfect 10
Natty Narwhal 11.04 That’s one pretty tusk you got there.