PADUPendidikan Anak Dini Usia (Indonesian: Age of Early Childhood Education) Miscellaneous
PADUPersatuan Alumni Doktor USM (Universiti Sains Malaysia; Malay: USM Doctor Alumni Association; Kelantan, Malaysia) Miscellaneous
PADUProtected Areas Data Unit (environmental conservation; various locations; International Union for the Conservation of Nature and Natural Resources) Miscellaneous