• Pacoria Walker, 1865 (uncertain)
• Pagria Lefèvre, 1884
• Paharia Distant, 1905 (uncertain)
• Pakeha Forster & Wilton, 1973
• Pakesia Miller, 1952 (uncertain)
• Pakira Yeates, 1967
• Paktia Pfadt, 1970
• Pamiria Zhdanko, 1995 (uncertain)
• Pantria Schintlmeister, 2004 accepted as Lymantria Hübner, 1819
• Papiria Thunberg, 1776 (uncertain)
• Pareria Keifer, 1952
• Paria Gray, 1868 accepted as Septaria Férussac, 1807 [Family: Neritidae]
• Paria Leconte, 1858 [Family: Chrysomelidae]
• Parkeria Carpenter in Carpenter & Brady, 1869 † [Family: Hydractiniidae]
• Parkeria Gabb, 1881 (uncertain) [Family: Mollusca (awaiting allocation)]
• Parkeria W.J. Hooker, 1825 accepted as Ceratopteris A.T. Brongniart, 1822 [Family: Pteridaceae]
• Pastria Evans, 1949
• Patiria Gray, 1840
• Patiria Perrier, 1875 accepted as Allopatiria Verrill, 1913
• Payeria Baillon, 1860 accepted as Turraea Linnaeus, 1771
• Pehria Sprague, 1923 [Family: Lythraceae]
• Pehria Strand, 1910 [Family: Lasiocampidae]
• Peoria Ragonot, 1887
• Petria Mendes, 1957 † accepted as Petriathyris Jin & Lee, 2006 † [Family: Rhynchonelliformea (awaiting allocation)]
• Petria Semenov, 1894 [Family: Tenebrionidae]
• Pharia Fruhstorfer in Seitz, 1911 accepted as Acropolis Hemming, 1934 [Family: Nymphalidae]
• Pharia Gray, 1840 [Family: Ophidiasteridae]
• Phyria Gray, 1842
• Picria Loureiro, 1790
• Pipria Drapiez, 1823 accepted as Pipra Linnaeus, 1766
• Pteria Scopoli, 1777