The name of the dog from the 1960s television cartoon "The Jetsons" is Astro.
Astro is a futuristic dog with the ability to speak and walk on his hind legs. He belongs to the Jetson family and appears in almost every episode of the series. Astro is known for his loyalty and his love for his owner, George Jetson, despite causing him trouble at times. The character has become an iconic part of American pop culture and has appeared in various forms of media, including comic books, video games, and merchandise.