Deuteronomy 5:11
"'You shall not take the name of the LORD your God in vain, for the LORD will not hold him guiltless who takes his name in vain.
Leviticus 19:12
You shall not swear by my name falsely, and so profane the name of your God: I am the LORD.
Exodus 20:7
"You shall not take the name of the LORD your God in vain, for the LORD will not hold him guiltless who takes his name in vain.
Deuteronomy 6:13
It is the LORD your God you shall fear. Him you shall serve and by his name you shall swear.
Matthew 5:33-34
"Again you have heard that it was said to those of old, 'You shall not swear falsely, but shall perform to the Lord what you have sworn.'
Psalm 139:20
They speak against you with malicious intent; your enemies take your name in vain!
Jeremiah 4:2
and if you swear, 'As the LORD lives,' in truth, in justice, and in righteousness, then nations shall bless themselves in him, and in him shall they glory."
James 5:12
But above all, my brothers, do not swear, either by heaven or by earth or by any other oath, but let your "yes" be yes and your "no" be no, so that you may not fall under condemnation.