Leviticus 20:10

If a man commits adultery with his neighbor's wife, both the adulterer and the adulteress must be put to death.

Exodus 20:14

"You shall not commit adultery.

Leviticus 18:20

You must not have sexual intercourse with the wife of your fellow citizen to become unclean with her.

Deuteronomy 5:18

You must not commit adultery.

John 8:4-5

and said to Jesus, "Teacher, this woman was caught in the very act of adultery.

Deuteronomy 22:22-24

If a man is caught having sexual relations with a married woman both the man who had relations with the woman and the woman herself must die; in this way you will purge evil from Israel.

2 Samuel 12:13

Then David exclaimed to Nathan, "I have sinned against the Lord!" Nathan replied to David, "Yes, and the Lord has forgiven your sin. You are not going to die.

Ezekiel 23:45-47

But upright men will punish them appropriately for their adultery and bloodshed, because they are adulteresses and blood is on their hands.

Treasury of Scripture Knowledge

Summary

And the man that committeth adultery with another man's wife, even he that committeth adultery with his neighbour's wife, the adulterer and the adulteress shall surely be put to death.

Bible References

The adulterer

Deuteronomy 22:22
If a man is caught having sexual relations with a married woman both the man who had relations with the woman and the woman herself must die; in this way you will purge evil from Israel.
2 Samuel 12:13
Then David exclaimed to Nathan, "I have sinned against the Lord!" Nathan replied to David, "Yes, and the Lord has forgiven your sin. You are not going to die.
Ezekiel 23:45
But upright men will punish them appropriately for their adultery and bloodshed, because they are adulteresses and blood is on their hands.
John 8:4
and said to Jesus, "Teacher, this woman was caught in the very act of adultery.

General references

Exodus 20:14
"You shall not commit adultery.
Leviticus 18:20
You must not have sexual intercourse with the wife of your fellow citizen to become unclean with her.
Numbers 5:13
and a man has sexual relations with her without her husband knowing it, and it is hidden that she has defiled herself, since there was no witness against her, nor was she caught --
Deuteronomy 22:22
If a man is caught having sexual relations with a married woman both the man who had relations with the woman and the woman herself must die; in this way you will purge evil from Israel.

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