Saci (Brazilian) - One-legged nature-spirit
Sagari (Japanese) - Horse's head that dangles from trees on Kyushu
Sakabashira (Japanese) - Haunted pillar, installed upside-down
Salamander (Alchemy) - Fire elemental
Samebito (Japanese) - Shark demon
Samodiva (Slavic) - Nature spirit
Sandwalker (Arabian) - Camel-stealing, giant arthropod
Sânziana (Romanian) - Nature spirit
Sarimanok (Philippine) - Bird of good fortune
Sarngika (Hindu) - Bird spirit
Sarugami (Japanese) - Wicked monkey spirit which was defeated by a dog
Satori (Japanese) - Mind-reading humanoid
Satyr (Greek) - Human-goat hybrid and fertility spirit
Sazae-oni (Japanese) - Shapeshifting turban snail spirit
Sceadugenga (English) - Shapeshifting undead
Scitalis (Medieval Bestiaries) - Snake which mesmerizes its prey
Scorpion Man (Mayan and Sumerian) - Human-scorpion hybrid
Scylla (Greek) - Human-snake-wolf hybrid with a snake's tail, twelve wolf legs,
and six long-necked wolf heads
Sea-bee (Heraldic) - Fish-tailed bee
Sea monk (Medieval folklore) - Fish-like humanoid
Sea monster (Worldwide) - Giant, marine animals
Sea serpent (Worldwide) - Serpentine sea monster
Sea-Wyvern (Heraldic) - Fish-tailed wyvern
Seko (Japanese) - Water spirit which can be heard making merry at night
Selkie (Faroese, Icelandic, Irish, and Scottish) - Human-seal shapeshifter
Senpoku-Kanpoku (Japanese) - Human-faced frog which guides the souls of the
newly deceased to the graveyard
Seps (Medieval Bestiaries) - Snake with highly corrosive venom
Serpent (Worldwide) - Snake spirit
Serpopard (Ancient Egypt) - Serpent-leopard hybrid
Setotaisho (Japanese) - Warrior composed of discarded earthenware
Shachihoko (Japanese) - Tiger-carp hybrid
Shade (Worldwide) - Spiritual imprint
Shahbaz (Persian) - Giant eagle or hawk
Shang-Yang (Chinese) - Rain bird
Shedim (Jewish) - Chicken-legged demon
Shedu (Akkadian and Sumerian) - Protective spirit with the form of a winged bull
or lion with a human head
Shellycoat (Scottish) - Water spirit
Shenlong (Chinese) - Weather dragon
Shibaten (Japanese) - Water spirit from Shikoku
Shikigami (Japanese) - Child-sized servant spirit
Shiki-oji (Japanese) - Child-sized servant spirit
Shikome (Japanese) - Underworld hag
Shin (Japanese) - Giant clam which creates mirages
Shiro-bozu (Japanese) - White, faceless spirit
Shirouneri (Japanese) - Animated mosquito netting or dust cloth
Shiryo (Japanese) - Spirit of a dead person
Shisa (Japanese) - Lion-dog hybrid
Shishi (Chinese) - Protective animal
Shojo (Japanese) - Red-haired sea-sprites who love alcohol
Shokera (Japanese) - Creature that peers in through skylights
Shtriga (Albanian) - An evil or dangerous witch
Shunoban (Japanese) - Red-faced ghoul
Shuten-doji (Japanese) - Oni
Sídhe - (Irish and Scottish) - Ancestral or nature spirit
Sigbin (Philippine) - Goat-like vampire
Silenoi (Greek) - Bald, fat, thick-lipped, and flat-nosed followers of Dionysus
Simargl (Slavic) - Winged dog
Simurgh (Persian) - Dog-lion-peacock hybrid
Singa (Batak) - Feline animal
Sint Holo (Choctaw) - Serpentine rain spirit
Siren (Greek) - Human-headed bird
Sirin (Slavic) - Demonic human-headed bird
Sirrush (Akkadian) - Dragon with aquiline hind legs and feline forelegs
Sisiutl (Native American) - Two-headed sea serpent
Si-Te-Cah (Paiute) - Red-haired giants
Sjörå (Norse) - Freshwater spirit
Skin-walker (Native American and Norse) - Animal-human shapeshifter
Skookum (Chinook Jargon) - Hairy giant
Skrzak (Slavic) - Flying imp
Sky Women (Polish) - Weather spirit
Sluagh (Irish and Scottish) - Restless ghost
Sodehiki-kozo (Japanese) - Invisible spirit which pulls on sleeves
Sogenbi (Japanese) - Fiery ghost of an oil-stealing monk
Soragami (Japanese) - Ritual disciplinary demon
Soraki-gaeshi (Japanese) - Sound of trees being cut down, when later none seem
to have been cut
Sorobanbozu (Japanese) - Ghost with an abacus
Sotangitsune (Japanese) - Fox spirit from Kyoto
Soucouyant (Trinidad and Tobago) - Vampiric hag who takes the form of a fireball
at night
Spectre (Worldwide) - Terrifying ghost
Sphinx (Greek) - Winged lion with a woman's head
Spiridus (Romanian) - Little people
Spriggan (Cornish) - Guardians of graveyards and ruins
Sprite (English) - Winged little people
Strigoi (Romanian) - Vampire
Strix (Roman) - Vampiric bird
Strzyga (Slavic) - Vampiric undead
Stuhac (Slavic) - Malevolent mountain spirit
Stymphalian Bird (Greek) - Metallic bird
Suangi (New Guinea) - Anthropophagous sorcerer
Succubus (Medieval folklore) - Female night-demon
Sudice (Slavic) - Fortune spirit
Sunakake-baba (Japanese) - Sand-throwing hag
Sunekosuri (Japanese) - Small dog- or cat-like creature that rubs against a
person's legs at night
Suppon-no-yurei (Japanese) - Ghost with a face like a soft-shelled turtle
Surma (Finnish) - Hellhound
Svartálfar (Norse) - Cavern spirit
The Swallower (Ancient Egyptian) - Crocodile-leopard-hippopotamus hybrid
Swan maiden (Worldwide) - Swan-human shapeshifter
Sylph (Alchemy) - Air elemental
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