The Ubuntu Visual Identity guidelines and assets are available on the Canonical Design blog. Please refer to the trademark policy for information regarding permission and correct usage of the logo.
Official artwork for Kubuntu is available here on the KubuntuArtwork page.
In .png format (primarily for online use)
In .svg format (primarily for online use)
In .eps format (primarily for physical format use)
Official artwork for Edubuntu is available here on the EdubuntuArtwork page.
Official artwork for Xubuntu is available here on the Xubuntu/Artwork page.
Official artwork for Lubuntu is available here on the Lubuntu/Artwork page.
Ubuntu Studio Artwork
Official artwork for UbuntuStudio is available on the UbuntuStudio/Artwork page.