Revelation 13:1

Then I saw a beast rise up out of the sea, having seven heads, and ten horns; upon his horns were ten crowns, and upon his heads the name of blasphemy.

2 Thessalonians 2:3-10

don't be led into any mistake, because the previous rebellion does not yet appear, nor the man of sin throw off the disguise, that offspring of perdition:

1 Timothy 4:1-3

Now the spirit says expresly, that in the latter times some shall abandon the faith, by giving credit to seducing spirits, and the doctrine concerning demons;

Revelation 12:3

And there appeared another wonder in heaven, it was a great red dragon, having seven heads, and ten horns, and seven crowns upon his heads.

Revelation 17:3

so he carried me away in the spirit into the wilderness: and I saw a woman sit upon a scarlet-coloured beast, full of names of blasphemy, having seven heads, and ten horns.

Revelation 17:12-13

the ten horns which you saw, are ten kings, who have received no kingdom as yet; but receive power as kings for a while with the beast.

Revelation 17:16-18

the ten horns which you saw upon the beast, they shall hate the whore, they shall plunder, and strip her, 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 wonder in heaven, it was a great red dragon, having seven heads, and ten horns, and seven crowns upon his heads.
Revelation 13:1
Then I saw a beast rise up out of the sea, having seven heads, and ten horns; upon his horns were ten crowns, and upon his heads the name of blasphemy.
Revelation 17:3
so he carried me away in the spirit into the wilderness: and I saw a woman sit upon a scarlet-coloured beast, full of names of blasphemy, having seven heads, and ten horns.

Another

2 Thessalonians 2:3
don't be led into any mistake, because the previous rebellion does not yet appear, nor the man of sin throw off the disguise, that offspring of perdition:
1 Timothy 4:1
Now the spirit says expresly, that in the latter times some shall abandon the faith, by giving credit to seducing spirits, and the doctrine concerning demons;