Bible Verses About confession of sin

I acknowledged my sin unto thee, and mine iniquity have I not hid. I said, I will confess my transgressions unto the LORD; and thou forgavest the iniquity of my sin. Selah.

(To the chief Musician, A Psalm of David, when Nathan the prophet came unto him, after he had gone in to Bathsheba.) Have mercy upon me, O God, according to thy lovingkindness: according unto the multitude of thy tender mercies blot out my transgressions.

He that covereth his sins shall not prosper: but whoso confesseth and forsaketh them shall have mercy.

And when he had said this, he breathed on them, and saith unto them, Receive ye the Holy Ghost:

And many that believed came, and confessed, and shewed their deeds.

For all have sinned, and come short of the glory of God;

That if thou shalt confess with thy mouth the Lord Jesus, and shalt believe in thine heart that God hath raised him from the dead, thou shalt be saved.

There hath no temptation taken you but such as is common to man: but God is faithful, who will not suffer you to be tempted above that ye are able; but will with the temptation also make a way to escape, that ye may be able to bear it.

Therefore to him that knoweth to do good, and doeth it not, to him it is sin.

Confess your faults one to another, and pray one for another, that ye may be healed. The effectual fervent prayer of a righteous man availeth much.

The Lord is not slack concerning his promise, as some men count slackness; but is longsuffering to us-ward, not willing that any should perish, but that all should come to repentance.

If we confess our sins, he is faithful and just to forgive us our sins, and to cleanse us from all unrighteousness.