- Albanian: djall (sq) m, djemën m, qipull (sq) m, shejtan (sq) m
- Amharic: ጋኔን (ganen)
- Arabic: شَيْطَان (ar) m (šayṭān)
- Egyptian Arabic: شيطان (ar) m (šeṭān)
- Armenian: դև (hy) (dew)
- Asturian: demoniu m
- Azerbaijani: iblis (az), şeytan (az), cin (az)
- Bashkir: шайтан (şaytan), иблис (iblis)
- Belarusian: бес m (bjes), дэ́ман m (déman), чорт m (čort)
- Bengali: দৈত্য (bn) (dōitto), শয়তান (bn) (śoẏotan), ইবলিশ (iboliś)
- Bulgarian: де́мон (bg) m (démon)
- Burmese: နတ်ဆိုး (my) (nathcui:)
- Catalan: dimoni (ca), diable (ca)
- Chamicuro: pac̈hic̈hi, sojpayi
- Chinese:
- Mandarin: 邪魔 (zh) (xiémó), 魔鬼 (zh) (móguǐ), 惡魔/恶魔 (zh) (èmó), 妖魔 (zh) (yāomó)
- Classical Nahuatl: tzitzimītl
- Coptic:
- Bohairic: ⲓϧ (ix)
- Czech: démon (cs), čert (cs) m
- Dalmatian: demun m
- Danish: dæmon c
- Dutch: demon (nl) m, demoon (nl) m, kwade geest m
- Dzongkha: བདུད (bdud), འདྲེ ('dre)
- Esperanto: demono
- Estonian: deemon (et)
- Finnish: demoni (fi), daimoni
- Franco-Provençal: dèmon m
- French: démon (fr) m
- Galician: demo (gl) m, demoño m
- Georgian: ავი სული (avi suli), ეშმაკი (ešmaḳi), დემონი (demoni)
- German: Dämon (de) m, Teufel (de) m
- Gothic: 𐍃𐌺𐍉𐌷𐍃𐌻 n (skōhsl), 𐌿𐌽𐌷𐌿𐌻𐌸𐌰 m (unhulþa), 𐌿𐌽𐌷𐌿𐌻𐌸𐍉 f (unhulþō)
- Greek: δαίμονας (el) m (daímonas), δαιμόνιο (el) m (daimónio)
- Ancient: δαίμων m or f (daímōn), δαιμόνιον n (daimónion)
- Hebrew: שֵׁד m (shéd)
- Hindi: दानव (hi) m (dānav), दैत्य (hi) m (daitya), देव (hi) m (dev), शैतान (hi) m (śaitān), राक्षस (hi) m (rākṣas), इब्लीस m (iblīs), इबलीस (hi) m (iblīs), असुर (hi) m (asur)
- Hungarian: démon (hu)
- Indonesian: siluman (id)
- Irish: deamhan m
- Old Irish: demon, demun
- Istriot: damognio m
- Italian: demone (it) m, demonio (it) m
- Japanese: 悪魔 (ja) (あくま, akuma), 悪霊 (ja) (あくりょう, akuryō), 鬼 (ja) (おに, oni), デーモン (ja) (dēmon), 妖魔 (ja) (ようま, yōma)
- Kazakh: әзәзіл (äzäzıl), жын (jyn), әбілет (äbılet), ібіліс (ıbılıs), иблис (iblis)
- Khmer: ទេត្យ (km) (tɛɛt), បិសាច (km) (bəysaac), ពីង (km) (piiŋ), របាល (km) (rɔbaal), អសុរា (a’so’raa)
- Korean: 데몬 (demon), 악귀(惡鬼) (ko) (akgwi), 요마 (yoma), 악마 (ko) (angma)
- Kurdish:
- Central Kurdish: دێو (dêw)
- Northern Kurdish: dêw (ku)
- Southern Kurdish: دێو (ku) (dêw)
- Kyrgyz: шайтан (ky) (şaytan), демон (demon), жин (ky) (jin), азезил (ky) (azezil), ибилис (ky) (ibilis)
- Lao: ຍັກ (nyak), ບໍຣະສາດ (bǭ ra sāt), ຜີ (phī), ພາຽ (phāi), ຣັກຂະສະ (rak kha sa), ສວງ (sūang), ສັກສາດ (sak sāt), ອະມະນຸດ (ʼa ma nut), ອະສຸລະ (ʼa su la), ປີສາດຮ້າຍ (pī sāt hāi), ຜີປະກຳ (phī pa kam), ຜີເສື້ອ (phī sư̄a)
- Latin: daemon (la) m, larva
- Latvian: dēmons m, velns (lv) m
- Lithuanian: demonas (lt) m
- Luxembourgish: Dämon
- Macedonian: демон m (demon)
- Malagasy: devoly (mg)
- Malay: raksasa (ms), syaitan (ms), iblis
- Maltese: xitan m, mingħul m
- Manx: jouyl
- Maore Comorian: djini class 5/6
- Maori: tipua, tupua
- Moksha: демон (ďemon)
- Mongolian: буг (mn) (bug), чөтгөр (mn) (čötgör)
- Nahuatl: tzitzimitl
- Navajo: chʼį́įdii
- Ngarrindjeri: muldarpi
- Ngazidja Comorian: djini class 5/6
- Norman: dêmon m
- Norwegian:
- Bokmål: demon m
- Nynorsk: demon m
- Occitan: demòni (oc) m
- Ojibwe: maji-manidoo
- Old Church Slavonic:
- Cyrillic: бѣсъ m (běsŭ)
- Glagolitic: ⰱⱑⱄⱏ m (běsŭ)
- Old Czech: dehna f
- Old English: dēofol n
- Old Portuguese: demo, demonio, diaboo, diablo, diabre
- Persian: شیطان (fa) (šeytân), دیو (fa) (dêv), ابلیس (fa) (eblis)
- Polish: bies (pl) m, demon (pl) m, czort (pl) m
- Portuguese:
- Brazilian: demônio (pt) m
- European: demónio (pt) m
- Punjabi: ਪਿਸ਼ਾਚ m (piśāc)
- Quechua: supay (qu)
- Romanian: demon (ro) m
- Russian: бес (ru) m (bes), де́мон (ru) m (démon), чёрт (ru) m (čort), шайта́н (ru) m (šajtán) (Muslim)
- Sanskrit: असुर (sa) m (asura), राक्षस (sa) m (rākṣasa), दैत्य (sa) m (daitya)
- Santali: ᱵᱷᱩᱛ (bhut)
- Scottish Gaelic: deamhan m
- Serbo-Croatian:
- Cyrillic: демон m
- Roman: demon (sh) m
- Slovak: démon, čert (sk) m
- Slovene: demon (sl) m
- Spanish: demonio (es)
- Sumerian: 𒀉𒉺 (Á.PA)
- Swahili: pepo (sw)
- Swedish: demon (sv) c
- Tagalog: demonyo (tl)
- Tajik: шайтон (tg) (šayton), дев (dev), иблис (iblis)
- Tatar: шайтан (tt) (şaytan), иблис (tt) (iblis), җен (tt) (cen)
- Thai: มาร (th) (maan), ปิศาจ (th) (bpì-sàat), ภูต (th) (pûut), มาห์ (th) (maa), อสูร (th) (à-sǔun), เปรต (th) (bprèet), แทตย์ (th) (tɛ̂ɛt), ปีศาจร้าย, อสุรกาย (th) (à-sù-rá-gaai), ภูติผีปีศาจ, ภูตผีปิศาจ
- Turkish: demon, iblis (tr), şeytan (tr), cin (tr)
- Turkmen: şeýtan, iblis
- Ukrainian: біс (uk) m (bis), де́мон m (démon), чорт m (čort)
- Urdu: دیو m (dev), شیطان m (śaitān), ابلیس (ur) m (iblīs)
- Uyghur: شەيتان (sheytan), ئىبلىس (iblis)
- Uzbek: shayton (uz), jin (uz), iblis (uz)
- Vietnamese: quỷ (vi) (鬼 (vi)), ma quỷ (vi) (魔鬼), yêu ma (vi), ma quái (vi), ác quỷ (vi) (惡鬼)
- Welsh: cythraul (cy)
- West Frisian: koarthakke
- White Hmong: dab
- Yiddish: נישט־גוטער m (nisht-guter), שד m (sheyd), קליפּה f (klipe)
- Yoruba: eṣu, èṣù
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