Bible Verses About Vanity: Idolatry is

And they rejected his statutes, and his covenant that he made with their fathers, and his testimonies which he testified against them; and they followed vanity, and became vain, and went after the heathen that were round about them, concerning whom the LORD had charged them, that they should not do like them.

I have hated them that regard lying vanities: but I trust in the LORD.

¶ They that make a graven image are all of them vanity; and their delectable things shall not profit; and they are their own witnesses; they see not, nor know; that they may be ashamed.

Who hath formed a god, or molten a graven image that is profitable for nothing?

But they are altogether brutish and foolish: the stock is a doctrine of vanities.

Because my people hath forgotten me, they have burned incense to vanity, and they have caused them to stumble in their ways from the ancient paths, to walk in paths, in a way not cast up;