No, people could not live on Neptune. Neptune is very far from the sun which makes it extremely cold. There are also a lot of poisonous gases on Neptune which would kill humans.

People can't live on Neptune since it's a very cold planet. The temperature of Neptune is about negative 200 degrees Celsius. Neptune is one of the furthest planets from the sun. You can find more information here: http://library.thinkquest.org/J001663F/n...