- Afrikaans: kleinseun (af)
- Albanian: nip (sq) m
- Arabic: حَفِيد m (ḥafīd)
- Armenian: թոռ (hy) (tʻoṙ)
- Aromanian: nipot m
- Assyrian Neo-Aramaic: ܢܵܒ݂ܓܵܐ m (nāwgā)
- Asturian: ñetu (ast) m, nietu (ast) m
- Azerbaijani: nəvə (az)
- Baluchi: نواسغ (nawāsağ)
- Bashkir: ейән (yeyən)
- Belarusian: уну́к m (unúk), ўнук m (ŭnuk)
- Bengali: নাতি (bn) m (nati)
- Bhojpuri: नाती (nātī), पोता (pōtā)
- Bulgarian: внук (bg) m (vnuk)
- Burmese: မြေး (my) (mre:)
- Catalan: nét (ca) m
- Chinese:
- Mandarin: 孫子 / 孙子 (zh) (sūnzi), 外孫 / 外孙 (zh) (wàisūn) (daughter's son)
- Czech: vnuk (cs) m
- Dalmatian: nepaut m
- Danish: sønnesøn (da) c (son's son), dattersøn (da) c (daughter's son)
- Dutch: kleinzoon (nl) m
- Esperanto: nepo (eo)
- Estonian: pojapoeg, tütrepoeg
- Evenki: омолги (omolgi)
- Ewe: tɔgbuiyɔviŋutsu
- Faroese: abbasonur (grandfather's grandson), ommusonur (grandmother's grandson), sonarsonur (son's son), dóttursonur (daughter's son)
- Finnish: pojanpoika, tyttärenpoika, lapsenlapsi (fi)
- French: petit-fils (fr) m
- Friulian: nevôt m
- Galician: neto (gl) m
- Georgian: შვილიშვილი (ka) (švilišvili)
- German: Enkelsohn (de) m, Enkel (de) m, Großsohn (de) m, Grosssohn (de) m (Switzerland & Liechtenstein)
- Greek: εγγονός (el) m (engonós)
- Ancient Greek: υἱωνός m (huiōnós)
- Hebrew: נֶכֶד (he) m (nékhed)
- Hindi: पोता (hi) m (potā) (son's son), नाती (hi) m (nātī) (daughter's son)
- Hungarian: unoka (hu)
- Icelandic: sonarsonur (is) m, barnabarn (is) n (grandchild)
- Indonesian: (see grandchild), cucu (id)
- Interlingua: granfilio
- Irish: ó m, (son’s son) mac mic m, (daughter’s son) mac iníne m
- Old Irish: úa m
- Italian: nipote (it) m
- Japanese: 孫息子 (ja) (まごむすこ, magomusuko), 孫 (ja) (まご, mago) (grandchild)
- Kabuverdianu: nétu
- Kazakh: немере (kk) (nemere), ер немере (er nemere)
- Khmer: ចៅប្រុស (caw proh), នត្តាប្រុស (nŏəttaa proh)
- Korean: 손자(孫子) (ko) (sonja), 외손자(外孫子) (oesonja) (daughter's son)
- Kyrgyz: мемире (memire), небире (nebire)
- Lao: ນັດດາ (nat dā), ຫລານ (lān), ຫລານຊາຍ (lān sāi)
- Latgalian: unuks m
- Latin: nepōs (la) m (Classical), prōfīlius m (Mediaeval)
- Latvian: mazdēls m
- Lithuanian: vaikaitis m, anūkas m
- Lombard: nevod (lmo), neud
- Macedonian: внук (mk) m (vnuk)
- Malay: cucu lelaki, cucu (ms)
- Maltese: neputi m
- Manchu: ᠣᠮᠣᠯᠣ (omolo)
- Marathi: नातू m (nātū)
- Middle Persian: 𐭭𐭯𐭩 (npy /nab/)
- Mongolian:
- Cyrillic: ач хүү (ač xüü) (son's son), зээ хүү (zee xüü) (daughter's son), омбол (ombol) (dialect)
- Navajo: hatsóí ashkiígíí
- Norman: p'tit-fis m (Jersey)
- Norwegian:
- Bokmål: sønnesønn m (son's son), dattersønn m (daughter's son), sønnebarn n (son's child), datterbarn n (daughter's child)
- Nynorsk: soneson m (son's son), dotterson (daughter's son), sonebarn n (son's child), dotterbarn n (daughter's child)
- Occitan: felen (oc) m, rèirefilh m
- Odia: ନାତି (or) (nāti)
- Old East Slavic: вънукъ m (vŭnukŭ)
- Old English: sunsunu m
- Old Lithuanian: nepuotis m or f
- Pannonian Rusyn: унук m (unuk)
- Parthian: 𐭐𐭅𐭇𐭓𐭉𐭐𐭅𐭇𐭓 (pwḥrypwḥr /puhr-i-puhr/) (son's son)
- Pashto: لمسی (ps) m (lmasay)
- Pennsylvania German: Enkel m
- Persian:
- Dari: نَوَاسَه (nawāsa) (grandchild, any gender), نَبَسَه (nabasa) (archaic)
- Iranian Persian: نَوِه (nave) (grandchild, any gender), نَبَسِه (nabase) (archaic)
- Plautdietsch: Grootsän m
- Polish: wnuk (pl) m pers, wnuczek (pl) m pers (diminutive)
- Portuguese: neto (pt) m
- Romani: nepòto m, ùnuko m
- Romanian: nepot (ro)
- Romansch: biadi m, bieadi m, beadi m, abiedi m, abiadi m
- Russian: внук (ru) m (vnuk), внучо́к (ru) m (vnučók) (diminutive)
- Sanskrit: नपात् (sa) m (napāt), दौहित्र (sa) m (dauhitra) (daughter's son), पौत्र (sa) m (pautra) (son's son)
- Sardinian: nabodi m, nebode m, nebodi m, nepode m, nepote m
- Scottish Gaelic: mac-mic (gd) m, mac-ighne m (daughter's son)
- Serbo-Croatian:
- Cyrillic: у̀нук m
- Roman: ùnuk (sh) m
- Sicilian: niputi (scn) m
- Slovak: vnuk m
- Slovene: vnuk (sl) m
- Sorbian:
- Lower Sorbian: (son’s son) syna syn m, (son’s son) synowy syn m, (daughter’s son) źowki syn m, (daughter’s son) źowcyny syn, (either son’s or daughter’s son) źiśisyn m
- Spanish: nieto (es) m
- Swedish: sonson (sv) c (son's son), dotterson (sv) c (daughter's son)
- Tajik: набера (nabera) (grandchild, any gender), навоса (navosa) (grandchild, any gender)
- Tamil: பேரன் (ta) (pēraṉ), பெயரன் (ta) (peyaraṉ)
- Tarifit: ayyaw m
- Tatar: онык (tt) (onıq)
- Telugu: మనుమడు (te) (manumaḍu), పౌత్రుడు (te) (pautruḍu)
- Thai: หลานชาย (lǎan-chaai)
- Tibetan: ཚ་བོ (tsha bo)
- Turkish: erkek torun, torun (tr)
- Turkmen: ogul agtyk, agtyk (tk)
- Ukrainian: ону́к (uk) m (onúk), внук (uk) m (vnuk)
- Urdu: پوتا m (potā) (son's son), ناتی m (nātī) (daughter's son)
- Uzbek: nabira (uz), nevara (uz)
- Venetan: neodo m, nevódo m
- Vietnamese: cháu trai (𡥙𤳇), cháu nội (𡥙内) (son's son), cháu ngoại (𡥙外) (daughter's son)
- Welsh: ŵyr (cy) m
- Yámana: makutsa
- Yiddish: גראַנסאַן m (gransan)
- Zhuang: lan
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