What are demons' names?

Lucifer (Pride)

Satan (Wrath)

Asmodeus (Lust)

Beelzebub (Prince of demons, according to some sources)

(Some think Lucifer, Satan, and Beelzebub are the same demon, but some think they are separate)

Lilith (First wife of Adam, Queen of demons)

Belial (demon of lies and deceit)

Azazel (a demon that when it possesses someone their eyes turn yellow, this demon was featured in supernatural and was made to try to kill the entire Winchester family, except Sam, Sam was to lead an army of demons and bring the apocalypse)

There are several more, but these are some of the more important ones.

Below are two sites with large lists of demon names. . .