Deuteronomy 14:8

And the swine, because it cleaves the hoof, and not ruminating, it is unclean to you: from their flesh ye shall not eat, and upon their carcass ye shall not touch.

Leviticus 11:26-27

For all cattle of which it is cleaving the cloven foot and not splitting the cleft, and not bringing up rumination, they are unclean to you; every one touching upon them shall be unclean.

Isaiah 65:4

Dwelling among the graves, and they will lodge among the watchers, eating swine's flesh, and broth of unclean things in their vessels.

Isaiah 66:3

He slaughtering the ox, striking a man; he sacrificing a sheep, broke a dog's neck; he bringing up a gift, swine's blood; he making remembrance of frankincense, praising vanity; also they chose their ways, and in their abominations their soul delighted.

Isaiah 66:17

They consecrating themselves and cleansing themselves in the gardens, behind one in the midst, eating swine's flesh, and the abomination, and the mouse; together shall they perish, says Jehovah

Luke 15:15-16

And having gone, he was joined to one of the citizens of that country; and he sent him into the fields to feed swine.

2 Peter 2:22

And that of the true proverb has happened to them, The dog having turned back to his own vomit; and the sow having been washed to the rolling of the mire.

Treasury of Scripture Knowledge

Summary

And the swine, because it divideth the hoof, yet cheweth not the cud, it is unclean unto you: ye shall not eat of their flesh, nor touch their dead carcase.

General references

Bible References

The swine

Isaiah 65:4
Dwelling among the graves, and they will lodge among the watchers, eating swine's flesh, and broth of unclean things in their vessels.
Isaiah 66:3
He slaughtering the ox, striking a man; he sacrificing a sheep, broke a dog's neck; he bringing up a gift, swine's blood; he making remembrance of frankincense, praising vanity; also they chose their ways, and in their abominations their soul delighted.
Luke 15:15
And having gone, he was joined to one of the citizens of that country; and he sent him into the fields to feed swine.
2 Peter 2:22
And that of the true proverb has happened to them, The dog having turned back to his own vomit; and the sow having been washed to the rolling of the mire.

General references

Leviticus 11:2
Speak. to the sons of Israel, saying These the beasts which ye shall eat from all the cattle which are upon the earth.