- Arabic: لَحَّام m (laḥḥām)
- Armenian: զոդող (hy) (zodoġ)
- Azerbaijani: qaynaqçı (az)
- Basque: soldatzaile (eu)
- Belarusian: зва́ршчык m (zvárščyk)
- Bulgarian: зава́рчик (bg) m (zavárčik)
- Burmese: ဝယ်ဒိန်သမား (waidinsa.ma:), ဂဟေဆက်သူ (ga.hehcaksu)
- Catalan: soldador m
- Chinese:
- Mandarin: 焊工 (zh) (hàngōng)
- Czech: svářeč m
- Danish: svejser (da) c
- Dutch: lasser (nl)
- Esperanto: veldisto
- Estonian: keevitaja
- Finnish: hitsari (fi)
- French: soudeur (fr) m
- Georgian: შემდუღებელი (šemduɣebeli)
- German: Schweißer (de) m, Schweißerin (de) f
- Hebrew: רַתָּךְ (he) m (rátakh)
- Hindi: वेल्डर m (velḍar)
- Hungarian: hegesztő (hu)
- Icelandic: ketilsmiður m
- Irish: táthaire m
- Italian: saldatore (it) m
- Japanese: 溶接工 (ja) (ようせつこう, yōsetsukō)
- Kabuverdianu: fereru
- Kazakh: пісіруші (pısıruşı)
- Khmer: ជាងផ្សារដែក (ciəng phsaa daek)
- Korean: 용접공(鎔接工) (yongjeopgong)
- Kyrgyz: ширетүүчү (ky) (şiretüücü)
- Lao: ຊ່າງຈອດໂລຫະ (sāng chǭt lō ha), ຊ່າງຈອກ (sāng chǭk)
- Latvian: metinātājs m
- Lithuanian: suvirintojas (lt) m
- Macedonian: заварувач m (zavaruvač)
- Maori: kaikāhono
- Norwegian:
- Bokmål: sveiser m
- Nynorsk: sveisar m
- Persian: جوشکار (fa) (juškâr)
- Polish: spawacz (pl) m
- Portuguese: soldador (pt)
- Romanian: sudor (ro) m, sudoare (ro) f
- Russian: сва́рщик (ru) m (svárščik), сва́рщица (ru) m (svárščica)
- Serbo-Croatian:
- Cyrillic: заварѝва̄ч m
- Roman: zavarìvāč (sh) m
- Slovak: zvárač m
- Slovene: varilec (sl) m
- Spanish: soldador (es) m
- Swedish: svetsare (sv) c
- Tajik: кафшергар (kafšergar)
- Thai: ช่างเชื่อม, ช่างเชื่อมโลหะ
- Turkish: kaynakçı (tr)
- Ukrainian: зва́рник m (zvárnyk), зва́рювач m (zvárjuvač)
- Uzbek: svarkachi (uz)
- Vietnamese: thợ hàn
- Welsh: asiwr m, weldiwr (cy) m
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