Revelation 13:1

And I stood on the sand of the sea. And I saw a beast come up out of the sea, having ten horns and seven heads, and upon his horns ten diadems, and upon his heads names of blasphemy.

2 Thessalonians 2:3-10

Let no one deceive you in any way, for [he shall not come] unless the apostacy comes first, and the man of sin is revealed, the son of destruction,

1 Timothy 4:1-3

But the Spirit says expressly, that in the last times some shall apostatize from the faith, attending to lying spirits and doctrines of demons,

Revelation 12:3

And there appeared another symbol in heaven, and behold, a great fiery dragon, having seven heads and ten horns and upon his heads seven diadems,

Revelation 17:3

And he bore me away into the wilderness in the Spirit. And I saw a woman sitting on a scarlet beast, [the beast] full of blasphemous names, having seven heads and ten horns.

Revelation 17:12-13

And the ten horns which you saw are ten kings, which have not yet received a kingdom, but receive power as kings one hour with the beast.

Revelation 17:16-18

And the ten horns which you saw and the beast shall hate the harlot, and make her desolate and naked, and eat her flesh, and burn her with fire;

Treasury of Scripture Knowledge

Summary

And the ten horns out of this kingdom are ten kings that shall arise: and another shall rise after them; and he shall be diverse from the first, and he shall subdue three kings.

Bible References

The ten

Revelation 12:3
And there appeared another symbol in heaven, and behold, a great fiery dragon, having seven heads and ten horns and upon his heads seven diadems,
Revelation 13:1
And I stood on the sand of the sea. And I saw a beast come up out of the sea, having ten horns and seven heads, and upon his horns ten diadems, and upon his heads names of blasphemy.
Revelation 17:3
And he bore me away into the wilderness in the Spirit. And I saw a woman sitting on a scarlet beast, [the beast] full of blasphemous names, having seven heads and ten horns.

Another

2 Thessalonians 2:3
Let no one deceive you in any way, for [he shall not come] unless the apostacy comes first, and the man of sin is revealed, the son of destruction,
1 Timothy 4:1
But the Spirit says expressly, that in the last times some shall apostatize from the faith, attending to lying spirits and doctrines of demons,