Matthew Harding (born September 27, 1976), is an American video game designer and Internet celebrity known as Dancing Matt for his viral videos that show him dancing in front of landmarks and street scenes in various international locations. Harding has since received widespread coverage of his travel exploits in major print and broadcast media outlets, and was hired by Visa to star in their Travel Happy campaign.

He is originally from Westport, Connecticut. He began his game industry career working for a video game specialty store called Cutting Edge Entertainment. Harding later worked as an editor for GameWeek Magazine in Wilton, Connecticut, and then as a software developer for Activision in Santa Monica, California and then Brisbane, Australia.

Harding claims that a sarcastic joke about the popularity of shoot? them up games led Pandemic Studios to develop the game Destroy All Humans!, on which he received a conceptual credit. Saying he "didn't want to spend two years of my life writing a game about killing everyone", he quit his job and began traveling, leading to the production of his first video.

On 11 December 2008, Matt Harding sarcastically revealed at the Entertainment Gathering that the videos were a hoax and that he is an actor, not a game designer, and the videos were made using animatronic puppets and extensive video editing. A month later, during the MacWorld convention, Matt revealed the "hoax about the hoax" and joked about the fact many people took it seriously and the outrage it caused. He also made it very clear that the videos he made were indeed 100% real.