Cognates
- Albanian: Jakup, Jakub, Jakob or Jakov
- Alemannic: Köbi, Chöbi, Jockel, Jakobli (diminutive), Jockeli (diminutive), Joggi
- Amharic: ያዕቆብ (Ya‘əqob)
- Arabic: يعقوب (Yaʻqub)
- Armenian: Յակոբ in TAO and Հակոբ in RAO (Western: Hagop, Eastern: Hakob)
- Asturian: Diegu, Xacobu, Xaime
- Azerbaijani: Yaqub
- Basque: Jakes, Jakobe (feminized), Jakue, Jagoba, Jago (diminutive)
- Belarusian: Jakub, Якуб (Yakub), Jakaŭ, Якаў (Yakaw)
- Bosnian: Jakub
- Breton: Jagu, Jagut, Jacut, Jak, Jakes, Jakez, Jakezig, Jakou
- Bulgarian: Яков (Yakov)
- Catalan: Jaume, Xaume, Jacob, Dídac, Santiago
- Cornish: Jago, Jammes, Jamma
- Croatian: Jakov, Jakob
- Czech: Jakub, Jakoubek (diminutive), Kuba (diminutive), Kubík (diminutive), Kubíček (diminutive), Kubas (informal, uncommon), Kubes (informal, uncommon), Kubis (informal, uncommon), Kubi (informal, uncommon)
- Danish: Jakob, Jeppe, Ib.
- Dutch: Jakob, Jacobus, Jaap, Jobby, Cobus, Koos
- English:
- Jacob
- Jakob (uncommon, by way of German, Yiddish, etc.)
- Jacoby (rare, chiefly American, and originally a surname)
- Jake, Jakey (diminutive)
- Jack, Jacky, Jackie (diminutive, chiefly British)
- Coby (diminutive, uncommon, chiefly American)
- Jamie (diminutive, chiefly British)
- Jaime/Jaimie (diminutive, uncommon, chiefly American, and by way of Spanish)
- Jim
- Jimmy/Jimmi/Jimi (diminutive)
- Jimbo (diminutive)
- Jambo
- Jay
- Jamesy
- Jem (diminutive, also taken as a diminutive for Jeremiah, Jeremy or Jemma)
- Jacqueline/Jaqueline (feminized, by way of French)
- Jacqui/Jaqui (feminized diminutive), Jackie (feminized diminutive, chiefly American), Jacki (feminized diminutive)
- Jamie/Jamey/Jami (feminized).
- Estonian: Jakob, Jaakob, Jaagup, Jaak
- Faroese: Jákup
- Filipino: Jaimé
- Finnish: Jaakko, Jaska, Jimi
- French: James, Jammes, Jacques, Jacob, Jacquot, Jacot, Jaco, Jack (diminutive), Jacky (diminutive), Jacq (diminutive), Jacquy (diminutive), Jacqueline (feminized), Jacotte (feminized).
- Friulian: Jacum
- Galician: Xaime, Iago, Diego, Xacobe
- Georgian: იაკობ (Iakob), კობა (Koba)
- German: Jakob, Jeckel (diminutive), Jaeckel (diminutive), Köbes (diminutive), Jackl (bavarian diminutive)
- Greek: Ιακώβ (Iakov, in the Septuagint), Ιάκωβος (Iakovos, New Testament,, Γιακουμής (Yakoumis, colloquial, possibly also from Ιωακείμ (Joachim)), Ιακωβίνα (Iakovina, feminized), Γιάγκος (Yangos, probably through Slavic languages, possibly also from Ιωάννης/Γιάννης ), Ζάκης or Ζακ (Zakis or Zak, French-sounding). James (and so Jim and Jimmy) are anglicized from the Greek name Dimitri as used by the Greek diaspora in the USA, even though the names are etymologically unrelated.
- Hebrew: יעקב (Ya'aqov),קובי (Kobi : diminutive from Ya'akov), ג'קי (Jacky : diminutive from Ya'akov) יענקל'ה (Yankele - probably through Yiddish)
- Hungarian: Jakab
- Icelandic: Jakob
- Indonesian: Yakub, Yakob, Yakobus
- Irish: Séamas/Seumas/Séamus, Shéamais (vocative, whence Anglicised: Hamish), Seamus(anglicized), Shamus (anglicized), Séimí (diminutive), Séimín (diminutive), Iacób
- Italian: Giacomo, Iacopo or Jacopo, Giacobbe
- Kazakh: Жақып (Zhaqip, Jacob), Якуб (Yakub, Yacoob)
- Korean: Yagop (야곱)
- Latin: Iacobus, Iacomus (vulgarized)
- Latvian: Jēkabs, Jākubs, Jakobs, Jakovs
- Lithuanian: Jokūbas
- Macedonian: Јаков (Yakov)
- Malay: يعقوب (Ya'qub), Ya'kub, Yakub
- Malayalam: Chacko, Jacob (pronounced Yah-kohb)
- Maltese: Ġakbu, Ġakmu, Jakbu
- Mandarin: 雅各 (yǎgè)
- Manx: Jayms
- Māori: Hemi
- Norwegian: Jakob, Jeppe
- Occitan: Jacme (pronounced Jamme), Jaume, Jammes (surname, pronounced Jamme), James (surname, pronounced Jamme)
- Persian: یعقوب, جیمز
- Polish: Jakub, Kuba, Kubuś (diminutive)
- Portuguese: Jacó (O.T. form), Jacob, Jaime, Iago, Tiago (contracted form — used in the N.T.), Diogo. Used only in Brazil: Thiago (Brazilian "anglicized" spelling), Diego, Jaqueline (fem.)
- Provençal: Jacme
- Romanian: Iacob, Iacov
- Russian: Иаков (Iakov) (archaic O.T. form), Яков (Yakov), Яша (Yasha) (diminutive)
- Sardinian: Giagu (Logudorese), Iacu (Nuorese)
- Scottish Gaelic: Seumas, Sheumais (vocative), Hamish (anglicized)
- Serbian (Cyrillic/Latinic): Јаков/Jakov (Yakov); Јакша/Jakša (Yaksha); Јаша/Jaša (Yasha) (diminutive)
- Sinhala: Diogu, Santhiyago
- Slovak: Jakub, Kubo, Kubko (diminutive), Jakubko (diminutive)
- Slovene: Jakob, Jaka
- Spanish: Jaime, Jacobo, Diego, Santiago
- Swahili: Yakobo
- Swedish: Jakob
- Syriac: ܝܰܥܩܽܘܒ (Yaqub)
- Tagalog: Jaime, Santiago
- Thai: เจมส์ (Jame)
- Turkish: Yakup, Yakub, Jakob
- Ukrainian: Яків (Yakiv)
- Welsh: Iago, Siâms
- Yiddish: Yankel (diminutive of the Hebrew Ya'akov, a more religious form in the context of the Yiddishland - East European Jewish communities until WWII -), Yankele (diminutive of the precedent), Koppel (diminutive)
Read more about this topic: James (name)