Kevin of Paper Minions has just posted this Hello Kitty that comes with a choice of two outfits and three accessories. A blank template is also available for you to design.
Paper Minions - Hello Kitty Papercraft

It's Sanrio's cute frog character Keroppi with a beautiful box papercraft.
Keroppi with Box Papercraft

Here's a simple papercraft of Sanrio's Hello Kitty by Chris Ryan of bamboogila blog.
Hello Kitty Paper Toy

Yoshikitty was created by Sanrio for Yoshiki Hayashi, the drummer and  co-founder of the popular rock band X Japan,
Yoshikitty Papercraft

 DrakerDG's version of Sanrio's Hello Kitty. The file's in pdo with 10 pages of parts.
Hello Kitty Papercraft

Checkout Hello Kitty in a witch's costume.
Witch Hello Kitty Papercraft

Hello Kitty is a very simply drawn character who was created in 1974 by the Sanrio Company in Tokyo, Japan. Registered in 1976, Hello Kitty is now a globally known trademark and the mascot of the company. This cute papercraft has two pages of parts.

Hello Kitty Papercraft