Cults

Daen Cults

 * Brotherhood of the Mountain Path (Gondor)
 * Cult of Benish Armon (Southern Gondor)
 * Cult of Duram (Daen)
 * cult of the Hill Father (Dunland)
 * Cult of Shoglic (Daen)
 * Nature Cult (Eryn Vorn)
 * Priestesses of Fois (Daen)
 * Sisters of Niesse (Cardolan)
 * torbet priests (Daen)

Drûghu Cults

 * Drûghor-ghan (Drúedain)
 * Nûm-Raghke-priests (Honnin)

Easterling Cults

 * Akshum-oymalv (Shrel, Wainriders)
 * Awdu Awg (Wômawas Drûs)
 * Awg Usgurac (Wômawas Drûs)
 * Belaen-an-Voryl (Wômawas Drûs)
 * the Blue caste (Rhûn)
 * Brotherhood of the Iron Crown (Rhûn)
 * Bwaig-ir-Omdren (Lôchas Drûs)
 * Claws of Dusk (Khand)
 * Cult of Doom (Central Middle-earth)
 * Cult of the Black one (Easterlings)
 * Cult of Ezran (Tanara)
 * Cult of the Fire-King (Chey Sart)
 * Cult of the Horse (Khand)
 * Cult of the Lord of the Winds Blue
 * cult of the Shadow (Wômawas Drûs)
 * Cult of Tuilerwen (Khand)
 * Cult of Vadan (Wainriders)
 * the Hron Tumrakhi (Khand)
 * Order of the God-King (Farthest east)
 * Order so S'Sorr (Northern Peninsula)
 * Priests of Joghul (Odhriags)
 * Religion of the Dragon of Black or White
 * Ryt ac Piri (Farthest east)
 * Sarshen Meltek (Easterlings)
 * Society of Arcanists (Farthest east)
 * Society of true Knowledge (Farthest east)
 * the Temple of Araw (Rhun)
 * the tattoo of the eye (Rhun)
 * the White Lotus (Wômawas Drûs)
 * Wôlor Priests

Elvish Cults

 * Arfaroth
 * Arliltar (High-Elves)
 * Aulendili (High-Elves)
 * Brethren of Elwe (Sindar)
 * the Court of Ardor (Far Harad)
 * Cuiviemar (Snow-elves)
 * Estehildi (Dúnedain, Elves)
 * Heren Linatieva (Snow-Elves)
 * Irmohildi (Elves)
 * Manwenduri (Eldar, Dúnedain)
 * Námonduri (High-Elves)
 * Sisters of Nienna or Syrwen-i-Nienan (Eriador)
 * Selli Niennava (Dúnedain, Elves)
 * Tulkashildi (Elves, Edain)
 * Ulmonduri (High-Elves)
 * Vanamar
 * Vardildi (High-Elves)
 * Veirer (High-Elves
 * Worshippers of Uinen (Bay of Belfalas)
 * Yavannildi

Haradrim Cults

 * Batan an-Izindi (Harad)
 * Cult of the dark Overlord (Utter South)
 * Demit Halraba or Cult of the Dark Lady (Near Harad)
 * Darim Tesarath (Utter South)
 * Desert Screamers (Sîrayn)
 * Disciples of the Mûmathûmûr (Mûmakan)
 * Hands of Anorel (Hathorians)
 * Karalija (Bozishnarod)
 * Kâthasaptha (Far-Harad)
 * Keepers of the true flame
 * Kerjalin (Bozishnarod)
 * Ladnocans (Haradwaith)
 * Lanareki (Covshek-Pust)
 * Mahurk (Near-Harad)
 * Narlthryg-worshippers (Near-Harad)
 * Order of Tûtmeid (Umbar)
 * servants of the real fire (Harad)
 * Sons of Sâdeh (Harshandatt, Chey Sart)
 * Audemit Vatra, Vatrans or Servants of Vatra (Far Harad)
 * Sisters of Ishtra (Haradwaith)
 * The Sunfire Cult or Brotherhood of the Sun or Followers of the Sun (Haradwaith)
 * Nahmit Esarm or Sisters of nightsong (Haruze)
 * the Tayb or Followers of the silent-one
 * Tayé faith (Sîrayn)
 * the Zâur an-Anî (Near-Harad)

Northron Cults

 * Ailgrakyn (Northrons)
 * Alanakyn (Woodmen)
 * Cult of the Bear (Beornings)
 * Cult of the Earth (Dorwinion)
 * Cult of the Fire (Rhovanion)
 * Cult of the Stag or Ailgrakyn (Eotheod)
 * Cult of the Water (Esgaroth)
 * Goldscale Worshippers (Rhovanion)
 * Gródhrtrú (Northrons)
 * Steorracyn (Rhovanion)
 * Uerdakyn (Northrons)
 * Viskankyn or Cult of the fish (Rhovanion)

Númenórean Cults

 * Aina Amarth (Umbar)
 * the Bloodring (Minas Tirith)
 * Council of Seers (Arnor)
 * Cult of Herumor (gondor)
 * Followers of the Old Ways (Gondor)
 * Gildain (Westlands)
 * Herumor's Brood (Near-Harad)
 * Monks of the Barrow-Downs (Cardolan)
 * Mulkherhil (Far-Harad)
 * Tindome-lie or Order of the rising sun (Gondor)
 * Tiriath Forod (Arthedain)
 * Ulmedain (Westlands)
 * Zâur an-Anî (Bellakar)

Orcish Cults

 * Servants of the Flame (Moria Goblins)

Snowmen Cults

 * Bear-cult (Forodwaith)
 * Valaskulan Palronta (Forochel)

Other

 * the Black Hand (Southern Middle-Earth)
 * Cor Mergylair (Arthedain)
 * Cult of Boots (Anórien)
 * Claws of Dark
 * Cult of Hilyarumor the Pale
 * Cult of the Lidless Eye
 * Cult of Loks (Umbar)
 * Cult of the Long Night
 * Cult of Melkor
 * Cult of the Rider
 * Cult of the White Hand (Enedhwaith)
 * the Dark Worship
 * Dragon-worshippers (Northrons, Easterlings)
 * Fists of Dark Sorcery
 * Loremasters (Order) (Eastern Middle-Earth)
 * Mor-Sereg (Sauronites)
 * Order of the Red Hand (Gondor)
 * Spider-Cult (Ithilien)
 * Witches of Angmar