- Arabic: زِنَا مَحَارِم (zinā maḥārim), سِفَاح الْقُرْبَى m (sifāḥ al-qurbā)
- Armenian: արյունապղծություն (aryunapġcutʻyun)
- Aromanian: please add this translation if you can
- Asturian: incestu m
- Azerbaijani: insest
- Basque: intzestu (eu)
- Belarusian: інцэ́ст m (incést), кровазмяшэ́ння n (krovazmjašénnja)
- Breton: gwadorged (br) m
- Bulgarian: кръвосмеше́ние n (krǎvosmešénie)
- Catalan: incest m
- Cherokee: please add this translation if you can
- Chinese:
- Mandarin: 亂倫/乱伦 (zh) (luànlún), 近親相姦/近亲相奸 (zh) (jìnqīn xiāngjiān)
- Czech: incest (cs) m, krvesmilství n, krvesmilstvo (cs) n
- Danish: incest c, blodskam c
- Dutch: incest (nl) m, bloedschande (nl) f
- Esperanto: sangadulto, incesto
- Estonian: intsest
- Faroese: blóðskemd f, insest f
- Finnish: insesti (fi), sukurutsaus (fi), sukurutsa (fi), (law) sukupuoliyhteys lähisukulaisten kesken
- French: inceste (fr) m
- Georgian: ინცესტი (incesṭi)
- German: Inzest (de) m
- Greek: αδελφομιξία f (adelfomixía), αιμομιξία (el) f (aimomixía)
- Gujarati: ગૌત્રગમન (gautragaman)
- Hebrew: גִלוּי עֲרָיוֹת (he)
- Hindi: अगम्यागमन (hi) m (agamyāgman), अगम्यगमन (agamyagman), सगोत्रगमन (sagotragman), अजाचार (ajācār), कुड़ुमचोदी (kuṛumcodī)
- Hungarian: vérfertőzés (hu)
- Icelandic: sifjaspell n pl
- Indonesian: hubungan sedarah, inses (id), hubungan sumbang, hubungan sekerabat
- Irish: col m, ciorrú coil m, corbadh m
- Italian: incesto (it) m
- Japanese: 近親相姦 (ja) (きんしんそうかん, kinshin sōkan), インセスト (ja) (insesuto)
- Kazakh: қан араласу (qan aralasu), инцест (insest)
- Khmer: ទាស់មុខស្មន់ (toah muk smɑn)
- Korean: 근친상간 (ko) (geunchinsanggan)
- Laboya: hala
- Latvian: asinsgrēks m
- Lithuanian: kraujomaiša
- Macedonian: и́нцест m (íncest), родосквернавење n (rodoskvernavenje)
- Malay: sumbang mahram (ms)
- Manx: croiaght
- Maori: kaiwhiore, ngauwhiore, irawaru
- Mirandese: please add this translation if you can
- Norwegian: incest m, blodskam f
- Old English: mǣġhǣmed n
- Old Frisian: swesbed
- Persian: زنا با محارم (zenâ bâ mahârem)
- Polish: kazirodztwo (pl) n
- Portuguese: incesto (pt) m
- Romanian: incest (ro)
- Russian: инце́ст (ru) m (incést), кровосмеше́ние (ru) n (krovosmešénije)
- Scottish Gaelic: col m
- Serbo-Croatian:
- Cyrillic: ѝнцест m, родоскврну́ће
- Roman: ìncest (sh) m, rodoskvrnuće
- Slovak: incest (sk) m, krvismilstvo n
- Slovene: incest m
- Spanish: incesto (es) m
- Swedish: incest (sv) c, blodskam (sv) c (dated)
- Tagalog: insesto
- Telugu: అగమ్యాగమనము (te) (agamyāgamanamu)
- Turkish: ensest (tr)
- Ukrainian: інце́ст m (incést), кровозмі́шення n (krovozmíšennja)
- Vietnamese: loạn luân (vi)
- Volapük: please add this translation if you can
- Welsh: llosgach (cy) m
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