- Belarusian: падкрэ́сліванне n (padkréslivannje)
- Bulgarian: подчерта́ване (bg) n (podčertávane)
- Catalan: guió baix m
- Chinese:
- Mandarin: 下橫線／下横线 (xiàhéngxiàn)
- Czech: podtržítko n
- Danish: bundstreg c
- Dutch: underscore c
- Esperanto: substreko
- Finnish: alaviiva (fi)
- French: tiret bas (fr) m, souligné (fr) m, blanc souligné (fr) m, sous-tiret (fr) m, tiret du 8 (fr)
- Georgian: ქვეტირე (kveṭire)
- German: Unterstreichung f (line); Unterstrich m (character), (character) Grundstrich
- Greek: υπογράμμιση (el) f (ypográmmisi)
- Hungarian: (character) aláhúzásjel, (line below text) aláhúzás (hu)
- Icelandic: undirstrik n
- Irish: fostríoc f
- Italian: trattino (it) m basso
- Japanese: アンダーバー (ja) (andābā), アンダースコア (andāsukoa)
- Korean: 밑줄 문자 (mitjul munja), 언더바 (eondeoba)
- Macedonian: до́лна цр́та f (dólna cŕta), подвлеку́вање n (podvlekúvanje)
- Maori: ahungarua
- Polish: podkreślenie (pl) n (line), podkreślnik (pl) m (character), podłoga (pl) f
- Portuguese: underline (pt) m, sublinha (pt) f, travessão (pt) m
- Russian: подчёркивание (ru) n (podčórkivanije)
- Slovak: podčiarkovník m, podčiarknutie n
- Slovene: podčrtaj m
- Spanish: guion bajo
- Swedish: understreck (sv) n
- Turkish: alt çizgi, alt tire
- Ukrainian: підкре́слення (uk) n (pidkréslennja)
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