Wild pig is a vague term, and has been used on and can refer to a variety of similar but different animals. The term is often used for:

• General name for wild species that fall under the suina suborder.
• General name for wild species that fall under the suinae subfamily.
• General name for wild species that fall under the suid family.
• General name for feral pigs that live in the wild but descended from domesticated pigs.
• Various wild pigs in the sus genus.
• wild_boar