A wild pig may be:

  • Suina, a suborder of even-toed mammals, including:
    • Suidae, a family of animals that are pigs or pig-like, including the Suinae and more distantly related extinct Old World tribes
      • Suinae, a subfamily which includes the Sus genus, all other existing pig genera, and closely related extinct genera
        • Sus (genus), a genus including domestic pig, wild boar, and many Southeast Asian wild pig species
    • Tayassuidae, another family of animals that are pigs or pig-like: the New World pigs or peccaries/javelinas