Leviticus 19:12
And you shall not swear by My name falsely; nor shall you profane the name of your God. I am Jehovah.
Exodus 20:7
You shall not take the name of Jehovah your God in vain. For Jehovah will not hold him guiltless that takes His name in vain.
Leviticus 18:21
And you shall not let any of your seed pass through the fire to Molech, neither shall you profane the name of your God. I am Jehovah.
Leviticus 6:3
or has found that which was lost and lies concerning it and swears falsely-- in any of all these that a man does, sinning in it,
Deuteronomy 5:11
You shall not take the name of Jehovah your God in vain, for Jehovah will not acquit the one who takes His name in vain.
James 5:12
But before all things, my brothers, do not swear; neither by the heaven nor by the earth, nor any other oath. But let your yes be yes, and your no, no, lest you fall into condemnation.
Leviticus 24:11
And the son of the woman of Israel blasphemed the name of Jehovah, and cursed. And they brought him to Moses. (And his mother's name was Shelomith, the daughter of Dibri, of the tribe of Dan.)
Leviticus 24:15-16
And you shall speak to the sons of Israel saying, Whoever curses his God shall bear his sin.
Psalm 15:4
in whose eyes the reprobate is despised, but he honors those who fear Jehovah; he has sworn to his hurt, and does not change it;
Jeremiah 4:2
And you shall swear, Jehovah lives, in truth, in judgment, and in righteousness; and the nations shall bless themselves in Him, and in Him they shall glory.
Jeremiah 7:9
Will you steal, murder, and commit adultery, and swear falsely, and burn incense to Baal, and walk after other gods whom you do not know;
Ezekiel 36:20-23
And when they entered the nations where they went, they even profaned My holy name by saying to them, These are the people of the Jehovah, and they are gone out of His land.
Zechariah 5:4
I will bring it forth, says Jehovah of Hosts; and it shall enter into the house of the thief, and into the house of him who swears falsely by My name. And it shall remain in the midst of his house, and shall devour it, and its timber and its stones.
Malachi 3:5
And I will come near you to judgment. And I will be a swift witness against the sorcerers, and against the adulterers, and against false swearers, and against those who extort from the hired laborer's wages, and turning away the widow, and the orphan, the alien, and not fearing Me, says Jehovah of Hosts.
Matthew 5:33-34
Again, you have heard that it has been said to the ancients, "You shall not swear falsely, but you shall perform your oaths to the Lord."