All the articles available in the Folklore mythology section of the Encyclopedia Mythica:
Abominable Snowman; Acadine; Acheri; Adamastor; Agta; Ahes; Ahkiyyini; Alan; Alastyn; Alatyr; Alfar; Alp; Alrunes; Alves; Alyosha Popovitch; Amphisbaena; Anhangá; Anjanas; Ankou; Anthropophagi; Appleseed, Johnny; Arquetu; Asrai; Aswang; Auld Clootie; Azeman; Baba Yaga; Bagat; Banshee; Baobhan Sith; Barbegazi; Barghest; Basilisk; Bean Nighe; Bean Sidhe; Beast epic; Befana, La; Bendith Y Mamau; Bendy, Old; Beowulf; Bernardo del Caprio; Bertha; Bicho-Papão; Bicorn; Biersal; Bigfoot; Billy Blin; Bishop-fish; Black Annis; Black Dog; Black Donald; Black Peter; Blarney Stone; Blemmyes; Bloody-bones; Bogeyman; Boggart; Bogie; Boitatá; Bolla; Boobrie; Booyan; Boto; Bozaloshtsh; Brownie; Broxa; Bruin; Bubus; Bucca; Buggane; Bunyan, Paul; Bwca; Caballucos del diablo; Cader Idris; Caipora; Caladbolg; Carlin; Cathleen Ni Hoolihan; Catoblepas; Ceffyl-Dwr; Chichevache; Cirein crôin; Clootie; Colbronde; Colt-pixy; Corrigan; Croquemitaine; Cuca; Cuegle; Culebre; Curupira; Cusith; Dana o'Shee; Dancing-Water; Daoine maite; Daoine Sidhe; Davy Jones; Death Coach; Death-bell; Devil's Dyke; Djinnestan; Dobrynya Nikititch; Dolya; Dones d'aigua; Doppelgänger; Dracs; Dragon; Draug; Durandal; Dwarf; Dwende; Dyeduska Vodyanoy; Each uisge; Echeneis; El Dorado; Elena; Elf; Ellyon; Engkanto; Erlking; Erreka-Mari; Espumeros; Fabián; Fachan; Fairy; Fay; Fear Liath More; Feeorin; Fenoderee; Ferragus; Fetch; Feux follets; Fext; Fifinella; Fir Darrig; Firebird; Flying Dutchman; Foawr; Folklore; Fountain of Youth; Frau Hütt; Frau Welt; Friar Tuck; Fuwch Frech; Gabbara; Gagana; Gamayun; Gandreid; Garafena; Gardsvor; Gargouille; Gargoyle; Ghillie Dhu; Ghost; Giant; Glaistig; Glas Chairm; Glas Ghaibhneach; Glashtyn; Gnome; Goblin; Gorgoniy; Gorgonya; Granny Wells; Grant; Greegrees; Green Man; Gremlin; Griffin; Grim Reaper; Guadiana; Guarana; Guaxa; Gwrach y Rhibyn; Gwragedd Annwn; Gwyligi; Gwyllion; Gytrash; Haferbock; Hag; Halloween; Hans Hagen; Hans Heiling; Harrowing Of Hell; Havelock the Dane; Hedley Kow; Heinzelmännchen; Herne; Hickathrift, Tom; Hildesheim; Hippogriff; Hobgoblin; Holger Danske; Hombre del Saco; Horn Childe; Humber; Hüvelvény; Iara; Igosha; Ijanas; Ilya Muromets; Imp; Incubus; Indrik the Beast; Island of the Seven Cities, The; Itchetiky; Ivan Tsarevich; Jabberwock; Jack Frost; Jack In the Green; Jack o' Lantern; Jack o' the bowl; Jack-in-Irons; Jenny Greenteeth; Jimaninos; Jinn; John Barleycorn; junacke pesme; Kabouter; Kama-kama; Kapre; Kaukis; Kekeko; Kelpie; Kenne; Kikimora; Killmoulis; King Horn; Kipriano; Kludde; Knocker; Kobold; Kornmutter; Kraken; Kriksy; Kulshedra; La Chusa; La Llorona; Lair bán; Lambton Worm; Lamiñas; Lange Wapper; Lantarón; Leanan Sidhe; Leprechaun; Leucrota; Liderc; Liekkiö; Little Dutch Boy, The; Little Red Ridinghood; Lliannan-She; Lorelei; Lucy, St; Lunantishee; Lutin; Mab, Queen; Magnetic Mountain; Mahr; Maize; Makara; Mamur; Manas; Mandrake; Manoa; Manticore; Mantyo; Mara; Marinka; Marmanhig; Marsk Stig; Masabakes; Meigas; Melusine; Mephistopheles; Mermaid; Merrow; Mimis; Mitmit; Moddey Dhoo; Monocoli; Monster of Loch Ness, The; Moran's Collar; Moshto; Mula-sem-Cabeça; Muryans; Naecken; Nahuelito; Nain Rouge; Nick; Nippel; Nisse; Nixes; Nocnitsa; Noggle; Nuberu; Nuckelavee; Nunus; Ogier the Dane; Ogre; Ojancanu; Old Harry; Olifant; Oliver; Orc; Orlando; Osschaart; Ouzelum Bird; Ozaena; Panulay; Partridge in a Pear Tree; Paved ponds; Pecos Bill; Pedauque, Queen; Peg Powler; Pere Noel; Pey; Phooka; Phynnodderee; Pigwidgin; Pillywiggins; Pixie; Plaksy; Plant Rhys Dwfen; Poki; Portunes; Prester John; Puck; Rübenzahl; Red Cap; Revenant; River of the Princess; Robin Hood; Roblón; Roc; Roland; Rusalka; Sací-Pererê; Safat; Sand-Man; Santa Claus; Sarut; Sasquatch; Satirmu; Scheherezade; Scratch; Sea Serpent; Sea Witches; Seelie Court; Selkie; Shellycoat; Shivering Boy, The; Sidhe; Sigbin; Skrat; Sleeping Beauty, The; Sluag; Sluagh; Spriggan; Sprite; Squant; Stilzel; Stockwell Ghost; Stray Sod; Su; Succubus; Swan May; Swiza; Sylph; Szepasszony; Table Mountain; Tamawo; Tangie; Tarbh uisge; Tatzlwurm; Tentirujo; Thayè; Thule; Tianak; Tiddy Ones; Tikbalang; Tomte; Trasgu; Trenti; Troll; Trow; Tutivillus; Tylwyth Teg; Ukoy; Undine; Unicorn; Unseelie Court; Urisk; Vättar; Vadleany; Vampire; Vegetable Lamb; Ventolines; Venusleute; Vitore; Vodnik; Vodyanoi; Vrykolakas; Waldmar, King; Walpurgis Night; Wandering Jew; Water Leaper; Werewolf; Will-o'-the-wisp; Witte Wieven; Wyvern; Xanas; Xindhi; Yali; Yeti; Zips; Zwarte Madam.