Afrikaans: Otter
Albanian: Dhelprë
Amharic: ደብረ ውሻ (dəbərə wəša)
Arabic: قضاعة (quḍāʿa)
Armenian: սպիրտ (spirt)
Azerbaijani: Su məməlisi
Basque: Otsoa
Belarusian: Выдра (vydra)
Bengali: উট্টার (uṭṭār)
Bosnian: Vidra
Bulgarian: Видра (vidra)
Catalan: Llúdriga
Cebuano: Otter
Chichewa: Mbewa
Chinese (Simplified): 水獺 (shuǐtǎ)
Chinese (Traditional): 水獺 (shuǐtǎ)
Corsican: Vulpicella
Croatian: Vidra
Czech: Vydra
Danish: Odder
Dutch: Otter
English: Otter
Esperanto: Lutro
Estonian: Narva
Finnish: Näätä
French: Loutre
Galician: Lontra
Georgian: დელფინი (delfini)
German: Otter
Greek: Ουτο (outo)
Gujarati: ઊટ્ટર (uṭṭar)
Haitian Creole: Otè
Hausa: Otter
Hawaiian: ʻŌpeʻapeʻa
Hebrew: חתול ים (ḥatul yam)
Hindi: ऊदबिलाव (ūdabilāv)
Hmong: Otter
Hungarian: Vidra
Icelandic: Eðla
Igbo: Ọtùta
Indonesian: Berang-berang
Irish: Otar
Italian: Lontra
Japanese: カワウソ (kawauso)
Javanese: Otter
Kannada: ತೋಳ (tōḷa)
Kazakh: Судақ (sudak)
Khmer: សត្វកាំករ (satv kămkar)
Korean: 수달 (sudal)
Kurdish: Çûk
Kyrgyz: Сууга (suuğa)
Lao: ເພັດສິລະ (pɛdsila)
Latin: Lutra
Latvian: Ūdrs
Lithuanian: Nykštukas
Luxembourgish: Otter
Macedonian: Видра (vidra)
Malagasy: Dodo
Malay: Berang-berang
Malayalam: ഉദ്ദര (uḍḍara)
Maltese: Rikkotta
Maori: Mahi
Marathi: ऊडबिलाव (ūḍabilāv)
Mongolian: Удаан (udaan)
Nepali: उट्टर (uṭṭar)
Norwegian: Oter
Pashto: اوتر (ūtar)
Persian: سمور آبی (samūr ābī)
Polish: Wydra
Portuguese: Lontra
Punjabi: ਉਡ਼ੀ (uḍī)
Romanian: Vidră
Russian: Выдра (vydra)
Samoan: Uta
Scots Gaelic: Otair
Serbian: Видра (vidra)
Sesotho: Tshehla
Shona: Otter
Sindhi: اُتري (uṭrī)
Sinhala: ඔටර (oṭara)
Slovak: Vydra
Slovenian: Vidra
Somali: Qashqa
Spanish: Nutria
Sundanese: Berang-berang
Swahili: Mbuzi
Swedish: Utter
Tajik: Каваз (kavaz)
Tamil: காக்கை (kākkai)
Telugu: ఒట్టర్ (oṭṭar)
Thai: นาก (nák)
Turkish: Su samuru
Ukrainian: Выдра (vydra)
Urdu: اوٹر (ūṭar)
Uzbek: Su bo’ri
Vietnamese: Rái cá
Welsh: Otter
Xhosa: Otter
Yiddish: אונטער (unter)
Zulu: Uthuli