Ohm

Locally spelled Oehm in IN India.

Spellings marked ● are how people bearing the name write it in our records, and ○ marks a model's transliteration; click a spelling to open its page.

Attested across 6 languages in the etymology graph.

Ohm is one spelling over 2 language communities, and the dictionaries record it differently in 2 of them. Each row is what a source recorded for that language, beside the share of this name’s records the language holds. No single row is the name’s meaning.

• English63%

  In the International System of Units, the derived unit of electrical resistance; the electrical resistance of a device across which a potential difference of one volt causes a current of one ampere. Symbol: Ω

  as a word·kaikki.org Wiktionary extract (IPA + transliterations)

• German22%

  from Ohm/Oheim as kinship term or honorific address

  as a name·Deutsche Namenkunde: Unsere Familiennamen nach ihrer Entstehung und Bedeutung

  alternative form of Oheim (“uncle”)

  as a word·kaikki.org Wiktionary extract (IPA + transliterations)

  Familienname zu Verwandtschaftsbezeichnung/Personenmerkmal „Oheim, Mutterbruder; Schwestersohn; respektvolle Anrede“. Auch Wohnstätten-/Herkunftsnamen möglich. Bearer count: nicht genannt

  as a name·Deutscher Familiennamenatlas, Band 5: Familiennamen nach Beruf und persönlichen Merkmalen

  Übername zu einem persönlichen Merkmal: aus dem Verwandtschaftswort „Ohm/Oheim“ = Onkel; Trägerzahl 2451.

  as a name·Deutscher Familiennamenatlas, Band 5: Familiennamen nach Beruf und persönlichen Merkmalen

The share is ours — how much of this name’s records each language holds. The sense beside it is the source’s, quoted and credited, including where it names a gender. We do not publish a gender of our own per language: our records carry one figure for the spelling as a whole.

Ohm is also recorded as 6 other names, grouped separately because the records behind them do not connect to the one described above.

• Spanish surname7 spellings in the group

  Most recorded in United States, France, Mexico, Argentina

  Languages: Spanish, French, Italian

  Also written Öhm, Ōhm

• Thai given name43 spellings in the group

  Most recorded in Thailand, India, United States, Malaysia

  Also written โอม, Aum, Om, Oom, Ome

• Danish surname4 spellings in the group

  Most recorded in Denmark, Sweden, United States, Norway

  Languages: Danish, Swedish

  Also written Öhm

• a separate name2 spellings in the group

  Also written Öhm

• Portuguese surname2 spellings in the group

  Most recorded in United States, Brazil, Netherlands, Sweden

  Also written Öhm

• Arabic surname4 spellings in the group

  Most recorded in United States, Morocco, Algeria, Kuwait

  Also written Ôhm, Öhm, Õhm

40 further groups record this spelling and are not listed here.

Grouping is the name graph's, not a register's: two spellings join a group when the evidence links them, so a group is a claim about the records rather than about the people.

Ohm is also recorded in one other lexicon, as a different name or as an ordinary word. These are senses of the spelling, not of the name above.

• In French, On donna le nom à cette unité de résistance électrique (symbole Ω) en hommage au physicien allemand Georg(es) Simon Ohm (1787-1854) en raison de ses découvertes des lois fondamentales des courants électriques. Le mot fut adopté avec le sens que nous lui connaissons au cours du Congrès des Électriciens de 1881, avec ampère, coulomb, farad et volt.

  as a name·2500 noms propres devenus communs : dictionnaire étymologique (éponymes, antonomases et hypallages)

Ordered by how much of this spelling's record each language holds, so a sense from a language the name is barely used in sits last rather than first.

• Georg Simon Ohmb. 1789DEGerman physicist and mathematician
• Uhm Jung-hwab. 1969KRnot in their usual nameSouth Korean singer and actress
• Yoo Ah-inb. 1986KRnot in their usual nameSouth Korean actor (born 1986)

The ten people covered by the most Wikipedia language editions — a proxy for cross-cultural notability, which favours historical and Western figures over equally prominent contemporary ones — shown by birth year. Source: Wikidata (CC0).

31 registers and reference works attest this spelling, across 18 countries.

Register rows as of the 2026-10-09 data build.

How do you pronounce Ohm?

It depends on the language: in English /oʊm/ (Wiktionary); in German /oːm/ (Wiktionary).

Where does the name Ohm come from?

from Ohm/Oheim as kinship term or honorific address Recorded by Deutsche Namenkunde: Unsere Familiennamen nach ihrer Entstehung und Bedeutung.

What does the name Ohm mean?

In English, In the International System of Units, the derived unit of electrical resistance; the electrical resistance of a device across which a potential difference of one volt causes a current of one ampere.

Which countries have the most people with the surname Ohm?

Mondonomo estimates about 4.1 thousand people named Ohm in Germany, more than in any other country we hold, where it is most often spelled ohm. After it come United States, United Kingdom, Norway and India; the country table on this page ranks them.

Where is Ohm most common?

Measured as a share of residents rather than as a count, Ohm is densest in Norway — about 1 in 18 thousand people — even though Germany holds more of our records for it.

How common is the name Ohm?

In the United States, the national register counted 1,894 people named Ohm in 2010, about 1 in 176 thousand residents.