Leviticus 11:26 gives the general rule for unclean animals (parted hoof but not cloven), directly paralleling the pig's description in Deuteronomy 14:8.

Isaiah 65:4 condemns eating swine's flesh—directly references the pig, the unclean animal from Deuteronomy 14:8.

Isaiah 66:3 mentions offering pig's blood as an abomination—direct connection to the pig's uncleanness in Deuteronomy 14:8.

Isaiah 66:17 condemns eating pig's flesh, directly echoing the prohibition in Deuteronomy 14:8 that declares the pig unclean.

Leviticus 5:2 prescribes a guilt offering for touching any unclean carcass, including the pig carcass mentioned in Deuteronomy 14:8.

Leviticus 11:7 directly states the pig is unclean with the same reason—parted hoof but no cud—mirroring Deuteronomy 14:8.

2 Peter 2:22 uses the sow's return to mud as a metaphor, relying on the pig's unclean status established in Deuteronomy 14:8.

Luke 15:15 has the prodigal son feeding pigs, unclean animals per Deuteronomy 14:8, underscoring his degradation.

Leviticus 7:21 forbids eating peace offerings while unclean from touching an unclean animal, indirectly relating to the pig's uncleanness in Deuteronomy 14:8.