- Albanian: dajë (sq); xhaxha (mother's brother-in-law)
- Arabic: خَال (ar) m (ḵāl)
- Armenian: քեռի (hy) (kʻeṙi), (rare) մորեղբայր (hy) (moreġbayr)
- Assyrian Neo-Aramaic: ܚܵܠܵܐ m (ḥālā)
- Bengali: মামা (bn) m (mama), খালু (bn) m (khalu) (mother's brother-in-law)
- Bulgarian: вуйчо (bg) m (vujčo)
- Chichewa: malume
- Chinese:
- Mandarin: 舅父 (zh) (jiùfù), 舅舅 (zh) (jiùjiu), 舅父 (zh) (jiùfù), 舅舅 (zh) (jiùjiu), 姨父 (zh) (yífù), 姨丈 (zh) (yízhàng) (mother's brother-in-law)
- Teochew: 阿舅 (a1 gu6), 舅 (gu6), 阿丈 (a1 dion6), 丈 (dion6) (mother's brother-in-law)
- Crimean Tatar: dayı
- Czech: ujec (cs) m
- Danish: morbror (da) c (blood maternal uncle), onkel (da) c (in-law maternal uncle / informal)
- Dutch: oom (nl) m, (Flemish) nonkel (nl) m
- Ewe: wɔfa
- Faroese: morbróðir m, móðurbróðir m, mammubeiggi m
- Finnish: eno (fi); enopuoli (mother's brother-in-law)
- French: oncle maternel m
- Georgian: ბიძა დედის მხრიდან (biʒa dedis mxridan)
- German: Oheim (de) m, (rare) Onkel (de) m
- Greek: θείος (el) m (theíos)
- Greenlandic: angak
- Hausa: rafani, kawu
- Hebrew: דּוֹד (dod) m
- Hindi: मामा (hi) m (māmā)
- Hungarian: anyai (ágról való) nagybácsi
- Icelandic: móðurbróðir (is) m
- Interlingua: oncle
- Italian: zio (it) m, zio materno m
- Kabyle: zizi m
- Kashmiri: مام (ks) (mām) (mother's brother), ماسُو (ks) (māsuv) (mother's brother-in-law)
- Korean: 외삼촌 (ko) (oesamchon)
- Krisa: wini
- Kurdish:
- Central Kurdish: خاڵ (ckb) (xall)
- Northern Kurdish: xal (ku)
- Latin: avunculus (la) m
- Macedonian: вујко m (vujko)
- Malayalam: അമ്മാവന് (ammāvaṉ)
- Manx: braar mayrey m
- Maore Comorian: zama
- Marathi: मामा (mr) m (māmā)
- Nupe: mmà
- Old English: ēam m
- Old Irish: amnair m
- Ottoman Turkish: دایی (dayı)
- Pashto: ماما (ps) m
- Persian: دایی (fa) (dâ'i)
- Pitjantjatjara: please add this translation if you can
- Polish: wuj (pl) m, wujek (pl) m
- Portuguese: tio (pt), tio materno (pt)
- Quechua: kaka, kaku
- Romanian: unchi (ro) m, unchi după mamă m
- Russian: дя́дя (ru) m (djádja), дя́дя по ма́тери m (djádja po máteri), дя́дя по матери́нской ли́нии m (djádja po materínskoj línii)
- Sanskrit: मातुल (sa) m (mātula)
- Scots: mither-brither, eme
- Scottish Gaelic: bràthair-màthar m
- Serbo-Croatian:
- Cyrillic: у̏ја̄к m, да̀иџа m (regional, non-standard); (mother's brother-in-law) те́так m, течо m (regional, non-standard)
- Roman: ȕjāk (sh) m, dàidža (sh) m (regional, non-standard); (mother's brother-in-law) tétak (sh) m, tečo m (regional, non-standard)
- Sinhalese: මාමා (māmā)
- Slovene: stric (sl) m, dundo m
- Somali: abti
- Spanish: tío (es) m, tío materno m
- Swahili: mjomba (sw)
- Swedish: morbror (sv) c, onkel (sv) c; mor (sv)s svåger (sv) c, ingift (sv) morbror (sv) c
- Tajik: тағо (taġo)
- Tamil: மாமா (ta) (māmā), பெரியப்ப (periyappa) (mother’s elder brother-in-law), சிதப்ப (citappa) (mother’s younger brother-in-law)
- Taos: mį̏mína
- Telugu: మామ (te) (māma)
- Thai: ลุง (th) (lung) (mother’s elder brother), น้า (th) (náa) (mother’s younger brother)
- Tibetan: ཨ་ཞང (a zhang)
- Turkish: dayı (tr), enişte (tr) (mother's brother-in-law)
- Vietnamese: cậu (vi) (for both elder and younger than mother, mostly for southerners; for northerners bác (vi) is for the elder one, chú (vi) for the younger one)
- West Frisian: omke m
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