A list of Bible verses on apostasy.  It is real. It has arrived.  It is on the increase.

• Jeremiah 2:19, “Your own wickedness will correct you, and your apostasies will reprove you. Know therefore and see that it is evil and bitter for you to forsake the LORD your God, and the dread of Me is not in you,” declares the Lord GOD of hosts.”
• Jeremiah 3:6-9, “Then the LORD said to me in the days of Josiah the king, “Have you seen what faithless Israel did? She went up on every high hill and under every green tree, and she was a harlot there. 7 “I thought, ‘After she has done all these things she will return to Me’; but she did not return, and her treacherous sister Judah saw it. 8 “And I saw that for all the adulteries of faithless Israel, I had sent her away and given her a writ of divorce, yet her treacherous sister Judah did not fear; but she went and was a harlot also. 9 “Because of the lightness of her harlotry, she polluted the land and committed adultery with stones and trees.”
• Jeremiah 5:6, “Therefore a lion from the forest will slay them. A wolf of the deserts will destroy them.  A leopard is watching their cities. Everyone who goes out of them will be torn in pieces, because their transgressions are many, their apostasies are numerous.”
• Matthew 24:5, “For many will come in My name, saying, ‘I am the Christ,’ and will mislead many.”
• Matthew 24:9-12, “Then they will deliver you to tribulation, and will kill you, and you will be hated by all nations because of My name. 10 At that time many will fall away and will betray one another and hate one another. 11 Many false prophets will arise and will mislead many. 12 Because lawlessness is increased, most people’s love will grow cold.”
• Mark 13:6, “Many will come in My name, saying, ‘I am He!’ and will mislead many.”
• Luke 8:13, “Those on the rocky soil are those who, when they hear, receive the word with joy; and these have no firm root; they believe for a while, and in time of temptation fall away.”
• Luke 21:8, “And He said, “See to it that you are not misled; for many will come in My name, saying, ‘I am He,’ and, ‘The time is near.’ Do not go after them.”
• John 6:66, “As a result of this many of His disciples withdrew and were not walking with Him anymore.”
• Galatians 1:6-7, “I am amazed that you are so quickly deserting Him who called you by the grace of Christ, for a different gospel; 7 which is really not another; only there are some who are disturbing you and want to distort the gospel of Christ.
• Galatians 2:4, “But it was because of the false brethren secretly brought in, who had sneaked in to spy out our liberty which we have in Christ Jesus, in order to bring us into bondage.”
• 2 Thessalonians 2:3, “Let no one in any way deceive you, for it will not come unless the apostasy comes first, and the man of lawlessness is revealed, the son of destruction,”
• 1 Timothy 1:18-19, “This command I entrust to you, Timothy, my son, in accordance with the prophecies previously made concerning you, that by them you fight the good fight, 19 keeping faith and a good conscience, which some have rejected and suffered shipwreck in regard to their faith.”
• 1 Timothy 4:1, “But the Spirit explicitly says that in later times some will fall away from the faith, paying attention to deceitful spirits and doctrines of demons,”
• 2 Timothy 3:1-5, “But realize this, that in the last days difficult times will come. 2 For men will be lovers of self, lovers of money, boastful, arrogant, revilers, disobedient to parents, ungrateful, unholy, 3 unloving, irreconcilable, malicious gossips, without self-control, brutal, haters of good, 4 treacherous, reckless, conceited, lovers of pleasure rather than lovers of God, 5 holding to a form of godliness, although they have denied its power; Avoid such men as these,”
• 2 Timothy 4:3-4, “For the time will come when they will not endure sound doctrine; but wanting to have their ears tickled, they will accumulate for themselves teachers in accordance to their own desires, 4 and will turn away their ears from the truth and will turn aside to myths.”
• Hebrews 3:12, “Take care, brethren, that there not be in any one of you an evil, unbelieving heart that falls away from the living God.”
• Hebrews 6:4-6, “For in the case of those who have once been enlightened and have tasted of the heavenly gift and have been made partakers of the Holy Spirit, 5 and have tasted the good word of God and the powers of the age to come, 6 and then have fallen away, it is impossible to renew them again to repentance, since they again crucify to themselves the Son of God and put Him to open shame.”
• Hebrews 10:26, “For if we go on sinning willfully after receiving the knowledge of the truth, there no longer remains a sacrifice for sins.”
• 2 Peter 2:1-3, “But false prophets also arose among the people, just as there will also be false teachers among you, who will secretly introduce destructive heresies, even denying the Master who bought them, bringing swift destruction upon themselves. 2 Many will follow their sensuality, and because of them the way of the truth will be maligned; 3 and in their greed they will exploit you with false words; their judgment from long ago is not idle, and their destruction is not asleep.”
• 2 Peter 3:3-4, “Know this first of all, that in the last days mockers will come with their mocking, following after their own lusts, 4 and saying, “Where is the promise of His coming? For ever since the fathers fell asleep, all continues just as it was from the beginning of creation.”
• 2 Peter 3:17, “You therefore, beloved, knowing this beforehand, be on your guard so that you are not carried away by the error of unprincipled men and fall from your own steadfastness.”
• 1 John 2:19, “They went out from us, but they were not really of us; for if they had been of us, they would have remained with us; but they went out, so that it would be shown that they all are not of us.”
• Jude 3-4, “Beloved, while I was making every effort to write you about our common salvation, I felt the necessity to write to you appealing that you contend earnestly for the faith which was once for all handed down to the saints. 4 For certain persons have crept in unnoticed, those who were long beforehand marked out for this condemnation, ungodly persons who turn the grace of our God into licentiousness and deny our only Master and Lord, Jesus Christ.”