Why Is Pig Unholy?

Pigs are described in this section (Lev. 11:7-8) as prohibited because they have a cloven hoof but don't chew their cud. The ban on the consumption of pork is repeated in Deuteronomy 14:8.

Why is pig unclean in the Bible?

Quintessentially, the Torah explicitly declares the pig unclean, because it has cloven hooves but does not ruminate.

What religions do not eat pork?

The Muslims don't eat pork. The Buddhists are vegetarians and the Jains are strict vegans who won't even touch root vegetables because of the damage it does to the plants.