- Afrikaans: niggie (af)
- Albanian: mbesë (sq) f
- Arabic: (fraternal) بِنْتُ أَخٍ f (bintu ʔaḵin), (sororal) بِنْتُ أُخْتٍ f (bintu ʔuḵtin)
- Egyptian Arabic: بنت أخ f (bent aḵḵ), بنت أخت f (bent oḵt)
- Armenian: եղբոր դուստր (eġbor dustr) (fraternal), եղբոր աղջիկ (eġbor aġǰik) (fraternal), քրոջ դուստր (kʻroǰ dustr) (sororal), քրոջ աղջիկ (kʻroǰ aġǰik) (sororal)
- Aromanian: nipoatã f
- Assyrian Neo-Aramaic: ܒܲܪ݇ܬ ܐܲܚܵܐ f (bat aḵā) (fraternal), ܒܲܪ݇ܬ ܚܵܬܵܐ f (bat ḵātā) (sororal)
- Asturian: sobrina (ast) f
- Basque: iloba (eu)
- Belarusian: пляме́нніца f (pljamjénnica)
- Breton: nizez (br) f
- Bulgarian: пле́менница (bg) f (plémennica)
- Catalan: neboda (ca) f
- Chinese:
- Mandarin: (fraternal) 侄女 (zh) (zhínǚ), 姪女 / 侄女 (zh) (zhínǚ), (sororal) 甥女 (zh) (shēngnǚ), 外甥女 (zh) (wàishēngnǚ)
- Czech: neteř (cs) f
- Dalmatian: niapta f
- Danish: niece (da) c
- Dutch: nicht (nl) f, nichtje (nl) n
- Esperanto: nevino (eo)
- Estonian: (fraternal) vennatütar, (sororal) õetütar (et)
- Finnish: veljentytär (fi) (fraternal), sisarentytär (fi) (sororal)
- French: nièce (fr) f
- Friulian: gnece f
- Galician: sobriña f
- Georgian: დისწული (disc̣uli), ძმისწული (ʒmisc̣uli)
- German: Nichte (de) f
- Greek: ανεψιά (el) f (anepsiá), ανιψιά (el) f (anipsiá)
- Ancient: ἀδελφιδῆ f (adelphidê)
- Greenlandic: soraluaq
- Hebrew: אחיינית f (akhyanít)
- Hindi:, भतीजी (hi) f (bhatījī) (fraternal), भांजी (hi) f (bhāñjī) (sororal)
- Hungarian: unokahúg (hu)
- Icelandic: bróðurdóttir (is) f (fraternal), systurdóttir (is) f (sororal)
- Ido: nevino (io)
- Ilocano: kaanakan a babai
- Indonesian: keponakan (id), kemenakan (id), misan (id) (nephew or niece)
- Ingrian: plemmäänitsa
- Irish: neacht f
- Italian: nipote (it) f
- Japanese: 姪 (ja) (めい, mei)
- Kashmiri: (fraternal) باوزٕ (ks) (bāvzụ), (sororal) بؠنٛزٕ (ks) (byanzụ), (sororal) بیٔنٛزٕ (ks) (byạnzụ)
- Korean: 조카딸 (ko) (jokattal), 조카 (ko) (joka) (nephew or niece)
- Kurdish:
- Central Kurdish: خوشکەزا (ckb) (xuşkeza) (sister's son or daughter)
- Latin: (fraternal) filia fratris f, (sororal) filia sororis f, nepta, neptia, fratruelis (la) (fraternal niece or nephew), sobrina (la) (sororal niece), nepotia
- Low German: (fraternal) Broderdeern f, (fraternal) Broderdochter f, (fraternal) Broderkind n, (sororal) Süsterdeern f, (sororal) Swesterdeern f, (sororal) Süsterdochter f, (sororal) Swesterdochter f, (sororal) Süsterkind n, (sororal) Swesterkind n
- Lutshootseed: staləł
- Macedonian: брата́ница f (bratánica) (fraternal), се́стрична f (séstrična) (sororal)
- Malay: anak saudara perempuan, anak saudara
- Maltese: neputija f
- Maori: irāmutu, tamaiti whakaangi, tapairu
- Mauritian Creole: nyes
- Norman: nièche f
- Northern Sami: (fraternal) vieljanieida, (sororal) oappánieida
- Occitan: neboda (oc) f
- Old English: nift f
- Old French: niece f
- Paicî: nôôrâ
- Pennsylvania German: Niess f
- Plautdietsch: Plemenitze f
- Polish: (fraternal) bratanica (pl) f, (sororal) siostrzenica (pl) f
- Portuguese: sobrinha (pt) f
- Quechua: mulla
- Romanian: nepoată (ro) f
- Romansch: nezza f, niaza f, neaza f
- Russian: племя́нница (ru) f (plemjánnica)
- Scottish Gaelic: (fraternal) nighean-bràthar f, (sororal) nighean-peathar (gd) f
- Serbo-Croatian:
- Roman: (fraternal) sinovica (sh), bratanica (sh), bratična (sh) sinovka, (sororal) sestričina (sh), nećakinja f, nećaka (Serbia), nestera (Croatia, archaic)
- Seri: (of a male) aac
- Seychellois Creole: nyes
- Slovak: neter (sk) f
- Slovene: nečakinja (sl) f
- Southern Altai: јеен (ǰeen)
- Spanish: sobrina (es) f
- Swahili: mpwa (sw)
- Swedish: niece (sv) c, (fraternal) brorsdotter (sv) c, (sororal) systerdotter (sv) c
- Tagalog: pamangking babae, pamangkin (tl) f
- Taos: kìłuʼúna
- Telugu: మేనకోడలు (te) (mēnakōḍalu)
- Thai: หลานสาว (lǎan-sǎao)
- Turkish: kız yeğen (tr)
- Ukrainian: племі́нниця f (plemínnycja), небо́га (uk) f (nebóha)
- Urdu: بھتیجی f (bhatījī)
- Vietnamese: cháu gái
- Volapük: (fraternal or sororal, ♂♀) nef (vo), (fraternal or sororal) jinef (vo), (fraternal, ♂♀) blodanef, (fraternal) blodajinef, (fraternal) blodadaut (vo), (sororal, ♂♀) söranef, (sororal) sörajinef, (sororal) söradaut (vo), (fraternal) blodajison, (sororal) sörajison, (fraternal, ♂♀) blodacil (vo), (fraternal) blodajicil, (sororal, ♂♀) söracil (vo), (sororal) sörajicil
- Welsh: nith (cy) f, nithoedd (cy) f pl
- West Frisian: nicht
- Yámana: yamana-kipa
- Yiddish: פּלימעניצע f (plimenitse)
- Zazaki: hêgane f
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