Hello Kitty is featured on the receiving blankets, room decor, bed linens, birth certificate covers, and nurses' uniforms. Hello Kitty: Big City Dreams (2008, Nintendo DS): an adventure game published by Empire Interactive developed by Sanrio Digital. A year later, EVA Air introduced one of their 777-300ERs as another Hello Kitty Jet, which featured other Sanrio characters as well as Hello Kitty. Representatives for Sanrio have said that they see Hello Kitty as a symbol of friendship, which they hope she will foster between people across the world.

Following reports that interpreted this to mean she was human, a Sanrio PR representative said that the organization had "never said she was a human", explaining anthropomorphization by comparing the character to Mickey Mouse: "No one would mistake the Disney character for a human–but at the same time he's not quite a mouse. In July 2008, the Dutch artist Dick Bruna, creator of Miffy, alleged that Hello Kitty is a copy of Miffy, being rendered in a similar style.Musician Yoshiki unveiled the Hello Kitty theme song "Hello Hello" in November 2014 at the first Hello Kitty Con. The game allows players to create and customize characters, then use them to battle monsters, socialize with one another, mine for ore, do domestic chores like farming or cooking, and participate in quests. Apron of Magic (2010, Arcade, iOS, Nintendo 3DS): An Arcade Card Game developed by Examu to commemorate the 50th Anniversary of Sanrio. Sanrio and various corporate partners have released Hello Kitty-branded products, including the Hello Kitty Stratocaster electric guitar (since 2005, with Fender, under its Squier sub-brand, in the US) [79] [80] and an Airbus A330-200 commercial passenger jet airliner, dubbed the Hello Kitty Jet (2005–2009, with EVA Airways in Taiwan). UNICEF has appointed Hello Kitty children's ambassador and the Japanese government appointed her ambassador of tourism.

In early 2019, it was revealed that New Line Cinema will be teaming up alongside Sanrio and Flynn Picture Company for an "English language film based on the venerable kid brand.

In late 2011 and early 2012, EVA Air revived their "Hello Kitty Jets" with their three new A330-300s. Official character profiles list her full name as Kitty White ( キティ・ホワイト, Kiti Howaito), born in the suburbs of London, England, on November 1. Hello Kitty Seasons (2010, Wii): A game in which the playable character is appointed as Deputy Mayor to help Sanrio Town. Beginning in 2007, following trends in Japan, Sanrio began using darker designs for Hello Kitty with more black and less pink and pulled away from kawaii styles.