- Albanian: xhaxha (sq) m, dajë (sq) m (father's brother-in-law)
- Arabic: عَمّ (ar) m (ʕamm)
- Armenian: հորեղբայր (hy) (horeġbayr)
- Assyrian Neo-Aramaic: ܥܲܡܵܐ m (ʿamā), ܕܵܕܵܐ m (dādā)
- Azerbaijani: əmi (az)
- Bengali: কাকা (bn) (kaka), চাচা (bn) m (caca) (father's brother), ফুফা (bn) m (phupha) (father's brother-in-law)
- Bulgarian: чичо (bg) m (čičo)
- Chinese:
- Mandarin: 伯父 (zh) (bófù), 伯伯 (zh) (bóbo) (father’s elder brother), 叔父 (zh) (shūfù), 叔叔 (zh) (shūshu) (father’s younger brother), 姑父 (zh) (gūfu), 姑丈 (zh) (gūzhàng) (father's brother-in-law)
- Teochew: 阿伯 (a1 bêh4), 伯 (bêh4) (father’s elder brother), 阿叔 (a1 zêg4), 叔 (zêg4) (father's younger brother), 阿丈 (a1 dion6), 丈 (dion6) (father's brother-in-law)
- Czech: strýc (cs) m
- Danish: farbror (da) c (blood paternal uncle), onkel (da) c (in-law paternal uncle / informal)
- Dutch: (please verify) oom (nl) m, (Flemish) nonkel (nl) m
- Ewe: tɔgã (father's elder brother), tɔɖe (father's younger brother)
- Finnish: setä (fi), setäpuoli (father's brother-in-law)
- French: oncle (fr) m, tonton (fr) m (informal), oncle paternel m
- Georgian: ბიძა მამის მხრიდან (biʒa mamis mxridan)
- German: Onkel (de) m
- Gooniyandi: ngaboo
- Greek: θείος (el) m (theíos)
- Hebrew: דּוֹד (he) m (dod)
- Hindi: चाचा (hi) m (cācā) (father's younger brother), ताया (hi) m (tāyā) (father's elder brother)
- Hungarian: apai (ágról való) nagybácsi
- Icelandic: föðurbróðir (is) m
- Interlingua: oncle
- Irish: uncail m, uncail athartha m
- Italian: zio (it) m, zio paterno m
- Japanese:
- (older) 伯父 (ja) (oji, hakufu) (humble); 伯父さん (ja) (ojisan) (polite); 伯父貴 (ja) (ojiki) (honorific)
- (younger) 叔父 (ja) (oji, shukufu) (humble); 叔父さん (ja) (ojisan) (polite); 叔父貴 (ja) (ojiki) (honorific)
- Kabyle: zizi m
- Kashmiri: پیٔتٕر (ks) (pyạtụr) (father’s brother), پۄپھُو (ks) (pọphuv) (father's brother-in-law)
- Korean: 친삼촌 (ko) (chinsamchon)
- Krisa: tani baʼ (father's elder brother), tani pung (father's younger brother)
- Kurdish:
- Central Kurdish: مام (ckb) (mam)
- Northern Kurdish: mam (ku) m, ap (ku) m
- Latin: patruus (la) m, barbas (Medieval), barbanus (Medieval)
- Macedonian: чичко (mk) (čičko), стрико m (striko)
- Manx: braar ayrey m
- Marathi: काका m (kākā)
- Meriam: bab
- Montana Salish: smamáʔ
- Navajo: abízhí
- Nupe: ǹdági
- Old English: fædera m
- Old Tupi: uba
- Ottoman Turkish: عموجه (ʿamuca)
- Pashto: تره (ps) m (trae)
- Persian: عمو (fa) ('amu), افدر (fa) sg (afdar), کاکا (fa) (kâkâ) (chiefly Dari)
- Pitjantjatjara: (younger brother) mama maḻatja, (older brother) mama puḻka
- Polish: stryj (pl) m, stryjek (pl) m, wuj (pl) m, wujek (pl) m
- Portuguese: tio (pt), tio paterno (pt)
- Quechua: yaya
- Romanian: unchi (ro) m, unchi după tată m
- Russian: дя́дя (ru) m (djádja), дя́дя по отцу́ m (djádja po otcú), дя́дя по отцо́вской ли́нии m (djádja po otcóvskoj línii)
- Sanskrit: पितृव्य (sa) m (pitṛvya)
- Scottish Gaelic: bràthair-athar m
- Serbo-Croatian:
- Cyrillic: стриц m, амиџа m (regional, non-standard); (father's brother-in-law) тетак m, течо m
- Roman: stric m, amidža m (regional, non-standard); (father's brother-in-law) tetak m, tečo m
- Seri: aaitz (younger)
- Sinhalese: බාප්පා (bāppā) (father’s younger brother), ලොකු තාත්තා (loku tāttā) (father’s elder brother)
- Slovene: stric (sl) m, dundo m
- Spanish: tío (es) m, tío paterno m
- Swahili: amu, ami (sw)
- Swedish: farbror (sv) c, onkel (sv) c; (father's brother-in-law) far (sv)s svåger (sv) c, ingift (sv) farbror (sv) c
- Tajik: амак (tg) (amak)
- Tamil: பெரியப்ப (periyappa) (father’s elder brother), சிதப்ப (citappa) (father’s younger brother), (please verify) அத்திம்பேர் (ta) (attimpēr) (father's brother-in-law)
- Taos: tų̀łuʼúna
- Thai: ลุง (th) (lung) (father’s elder brother), อา (th) (aa) (father’s younger brother)
- Tibetan: ཨ་ཁུ (a khu)
- Torres Strait Creole: ankel
- Turkish: amca (tr), enişte (tr) (father's brother-in-law), emmi (tr)
- Turoyo: ܥܰܡܡܐ (cammo)
- Vietnamese: bác (vi) (father’s elder brother), chú (vi) (father’s younger brother)
- West Frisian: omke m
- Zazaki: ded (diq)
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