BackOnlyBriefly, I am surprised you need to ask because although the verses you've (mis)quoted thus far demonstrate your serious misinterpretation of what you're reading in the bible, the fact that lies are a sin is a continuous theme throughout the bible in both old and New Testament. You surely can't have missed it?
Proverbs 6:16-19 ESV
There are six things that the Lord hates, seven that are an abomination to him: haughty eyes, a lying tongue, and hands that shed innocent blood, a heart that devises wicked plans, feet that make haste to run to evil, a false witness who breathes out lies, and one who sows discord among brothers.
Proverbs 19:9 ESV
A false witness will not go unpunished, and he who breathes out lies will perish.
Proverbs 12:22 ESV
Lying lips are an abomination to the Lord, but those who act faithfully are his delight.
Colossians 3:9-10 ESV
Do not lie to one another, seeing that you have put off the old self with its practices and have put on the new self, which is being renewed in knowledge after the image of its creator.
Psalm 101:7 ESV
No one who practices deceit shall dwell in my house; no one who utters lies shall continue before my eyes.
Ephesians 4:25 ESV
Therefore, having put away falsehood, let each one of you speak the truth...
John 8:44 ESV
You are of your father the devil, and your will is to do your father's desires. He was a murderer from the beginning, and has nothing to do with the truth, because there is no truth in him. When he lies, he speaks out of his own character, for he is a liar and the father of lies.
Exodus 20:16 ESV
“You shall not bear false witness against your neighbour.
Matthew 15:18-20 ESV
But what comes out of the from the heart, and this defiles a person. For out of the heart come evil thoughts, murder, adultery, sexual immorality, theft, false witness, slander. These are what defile a person. But to eat with unwashed hands does not defile anyone.
Psalm 109:2 ESV
For wicked and deceitful mouths are opened against me, speaking against me with lying tongues.
Leviticus 19:11
“You shall not steal; you shall not deal falsely; you shall not lie to one another.
Revelation 21:7-8 ESV
The one who conquers will have this heritage, and I will be his God and he will be my son. But as for the cowardly, the faithless, the detestable, as for murderers, the sexually immoral, sorcerers, idolaters, and all liars, their portion will be in the lake that burns with fire and sulfur, which is the second death.”
Leviticus 6:1-7 ESV
The Lord spoke to Moses, saying, “If anyone sins and commits a breach of faith against the Lord by deceiving his neighbor in a matter of deposit or security, or through robbery, or if he has oppressed his neighbor or has found something lost and lied about it, swearing falsely—in any of all the things that people do and sin thereby— if he has sinned and has realized his guilt and will restore what he took by robbery or what he got by oppression or the deposit that was committed to him or the lost thing that he found or anything about which he has sworn falsely, he shall restore it in full and shall add a fifth to it, and give it to him to whom it belongs on the day he realizes his guilt.
Psalm 34:13 ESV /
keep your tongue from evil and your lips from speaking deceit.
1 Timothy 1:9-11 ESV
Understanding this, that the law is not laid down for the just but for the lawless and disobedient, for the ungodly and sinners, for the unholy and profane, for ...(list of sins)... liars