Galatians 1:8

But even if we or an angel from Heaven preach a gospel to you beside what we preached to you, let him be accursed.

Romans 9:3

For I myself was wishing to be accursed from Christ for my brothers, my kinsmen according to the flesh,

1 Corinthians 16:22

If anyone does not love the Lord Jesus Christ, let him be accursed. The Lord comes!

2 Corinthians 11:13-14

For such ones are false apostles, deceitful workers, transforming themselves into the apostles of Christ.

Matthew 25:41

Then He also shall say to those on the left hand, Depart from Me, you cursed, into everlasting fire prepared for the Devil and his angels.

Galatians 1:9

As we said before, and now I say again, If anyone preaches a gospel to you beside what you have received, let him be accursed.

Revelation 22:18-19

For I testify together to everyone who hears the Words of the prophecy of this Book: If anyone adds to these things, God will add on him the plagues that have been written in this Book.

Genesis 9:25

And he said, Cursed be Canaan. He shall be a servant of servants to his brothers.

Deuteronomy 27:15-26

Cursed is the man that makes any graven or molten image, an abomination to Jehovah, the work of the hands of the craftsman, and puts it in a secret place. And all the people shall answer and say, Amen.

Joshua 9:23

And now you are cursed, and there shall none of you be freed from being slaves and woodcutters and drawers of water for the house of my God.

1 Samuel 26:19

And now, please let my lord the king hear the words of his servant. If Jehovah has stirred you up against me, let Him accept an offering. But if it is the sons of men, they are cursed before Jehovah. For they have driven me out today from joining myself with the inheritance of Jehovah, saying, Go, serve other gods.

Nehemiah 13:25

And I contended with them, and cursed them, and struck certain of them, and plucked off their hair. And I made them swear by the name of God, saying, You shall not give your daughters to their sons, or take their daughters to your sons, or for yourselves.

Mark 14:71

But he began to curse and to swear, saying, I do not know this man of whom you speak.

Acts 23:14

And they came to the chief priests and elders and said, We have bound ourselves under a great curse that we will eat nothing until we have killed Paul.

1 Corinthians 12:3

Therefore I make known to you that no one speaking by the Spirit of God says Jesus is a curse, and that no one can say that Jesus is Lord, but by the Holy Spirit.

Galatians 3:10

For as many as are out of works of the Law, these are under a curse; for it is written, "Cursed is everyone who does not continue in all things which are written in the Book of the Law, to do them."

Galatians 3:13

Christ redeemed us from the curse of the Law, being made a curse for us (for it is written, "Cursed is everyone having been hanged on a tree");

1 Timothy 1:19-20

holding faith and a good conscience, which some have put away and made shipwreck as to faith.

Titus 3:10

After the first and second warning, reject a man of heresy,

2 Peter 2:14

having eyes full of adultery and never ceasing from sin, alluring unstable souls, having a heart exercised with covetousness. They are cursed children

Treasury of Scripture Knowledge

Summary

But though we, or an angel from heaven, preach any other gospel unto you than that which we have preached unto you, let him be accursed.

Bible References

Though

Galatians 1:9
As we said before, and now I say again, If anyone preaches a gospel to you beside what you have received, let him be accursed.
1 Corinthians 16:22
If anyone does not love the Lord Jesus Christ, let him be accursed. The Lord comes!
2 Corinthians 11:13
For such ones are false apostles, deceitful workers, transforming themselves into the apostles of Christ.
1 Timothy 1:19
holding faith and a good conscience, which some have put away and made shipwreck as to faith.
Titus 3:10
After the first and second warning, reject a man of heresy,
Revelation 22:18
For I testify together to everyone who hears the Words of the prophecy of this Book: If anyone adds to these things, God will add on him the plagues that have been written in this Book.

Let

Galatians 3:10
For as many as are out of works of the Law, these are under a curse; for it is written, "Cursed is everyone who does not continue in all things which are written in the Book of the Law, to do them."
Genesis 9:25
And he said, Cursed be Canaan. He shall be a servant of servants to his brothers.
Deuteronomy 27:15
Cursed is the man that makes any graven or molten image, an abomination to Jehovah, the work of the hands of the craftsman, and puts it in a secret place. And all the people shall answer and say, Amen.
Joshua 9:23
And now you are cursed, and there shall none of you be freed from being slaves and woodcutters and drawers of water for the house of my God.
1 Samuel 26:19
And now, please let my lord the king hear the words of his servant. If Jehovah has stirred you up against me, let Him accept an offering. But if it is the sons of men, they are cursed before Jehovah. For they have driven me out today from joining myself with the inheritance of Jehovah, saying, Go, serve other gods.
Nehemiah 13:25
And I contended with them, and cursed them, and struck certain of them, and plucked off their hair. And I made them swear by the name of God, saying, You shall not give your daughters to their sons, or take their daughters to your sons, or for yourselves.
Matthew 25:41
Then He also shall say to those on the left hand, Depart from Me, you cursed, into everlasting fire prepared for the Devil and his angels.
2 Peter 2:14
having eyes full of adultery and never ceasing from sin, alluring unstable souls, having a heart exercised with covetousness. They are cursed children

General references

Leviticus 15:8
And if he who issues spits on him that is clean, then he shall wash his clothes, and bathe in water, and be unclean until the evening.
Jeremiah 16:20
Shall a man make gods to himself, and they are no gods?
1 Corinthians 3:11
For any other foundation can no one lay than the one being laid, who is Jesus Christ.