#surname
- Abraham — A Western European, Germanic, or English form of the biblical masculine proper name Avraam (derived from the Hebrew 'Avraham'); (historical/religious sense) the first great patriarch of the Jewish people, recognized as a central foundational figure in Judaism, Christianity, and Islam; (modern onomastic sense) a family name used internationally and also adopted within Romanian anthroponomics; (toponym) the name of several locations worldwide or geographical landmarks named in honor of historical figures.
- Abram — A proper name with deep biblical and historical roots; (anthroponym) the original, Hebrew form of the patriarch Abraham's name (meaning 'exalted father'), used before the divinity changed his name to Abraham ('father of a multitude'); as a first or last name, it is frequently found internationally and sporadically in Romania; (toponym) the name of a commune in Bihor County, Romania, as well as its main residency village.
- Abramescu (surname) — A traditional Romanian surname formed as a patronymic name; it indicates lineage or descent from an ancestor or head of family named Abram or Avram; historically borne by various personalities in Romanian academia, military, or culture, most notably General Gheorghe Abramescu (1884–1945), an elite military commander during World War II.
- Abrudan — A common Romanian surname, predominantly widespread in the Transylvania region (especially in Bihor, Cluj, Alba, and Arad counties), originally formed as a demonym to designate a person originating from the town or region of Abrud.
- Adăman — A Romanian surname constructed on an augmentative or derivative template from the base name Adam or its regional variant Adăm. This patronymic is predominantly widespread in certain rural areas, preserving within its structure the specific onomastic suffix that often indicates membership in a stable family clan or descent from a prominent ancestor.
- Adamescu — A widespread Romanian surname, derived through suffixation from the given name Adam. It has been borne by important figures in Romania's history, culture, and economy, notably Gheorghe Adamescu (1869–1942), a literary historian, bibliographer, and corresponding member of the Romanian Academy, known for his fundamental works on national literary history.
- Adameșteanu — A Romanian surname of toponymic origin, historically associated with remarkable figures in culture and science. Outstanding bearers of this name include Dinu Adameșteanu (1913–2004), a famous Romanian archaeologist and pioneer of aerial photography in Italy, and Gabriela Adameșteanu (b. 1942), a top-tier writer, translator, and journalist, who is a prominent figure in contemporary Romanian literature.
- Adămoiu — A Romanian surname constructed on a hypocoristic or derivative template from the base name Adam or its regional variant Adăm. This patronymic is distributed across certain historical zones of Romania, preserving within its component the traditional onomastic suffix indicating direct paternal filiation or membership in an old family lineage within the community.
- Adamovici — A surname of Slavic origin (Serbian, Croatian, or Ukrainian), also found within the Romanian cultural space, particularly in the historical regions of Banat, Bukovina, and Moldavia. The name is borne by various historical, literary, and scientific figures across Eastern Europe, constructed on a patronymic template indicating direct descent from an ancestor named Adam.
- Adams — An Anglo-Saxon surname extremely widespread across English-speaking countries, literally meaning 'son of Adam'. The name is closely tied to world history due to massive figures such as American presidents John Adams and John Quincy Adams, writer Douglas Adams, or photographer Ansel Adams, also serving as a toponym for various towns and landforms.
- Adămuș — A locality and commune located in Mureș County, Transylvania, Romania, situated on the Târnava Mică River; historically documented since the Middle Ages (the year 1305). The toponym also represents a surname derived through diminutive or hypocoristic suffixation from the root name Adam, carrying a profound historical resonance linked to the multiethnic communities in the region and neighboring fortified church architectures.
- Adămuț — A Romanian surname widespread across various regions of the country, constructed as a hypocoristic or diminutive derivative from the masculine given name Adam or its regional variant Adăm. This patronymic preserves within its structure the traditional onomastic suffix that initially denoted affection, direct paternal filiation (son of little Adam), or membership in a specific family lineage within the rural community.
- Adăniloaei — A Romanian surname of a matronymic type, particularly specific to the historical region of Moldavia (and Bukovina), formed from the masculine given name Dan (or Danilo) via the name of the wife or mother (Dăniloaia). This name reflects an old linguistic and social custom where children received the feminine derivative of the father's given name as a surname if the mother became a widow or the head of the household.
- Addams — A proper surname of Anglo-Saxon origin, representing a patronymic variant derived from the biblical name Adam (son of Adam). In contemporary universal culture, the term is closely associated with 'The Addams Family', a famous fictional satire created by cartoonist Charles Addams, which humorously inverts the values of the ideal American family through macabre and gothic elements.
- Addison — A proper noun of Anglo-Saxon origin used as a surname or given name, etymologically meaning 'son of Addie'. In medicine, the term identifies Addison's disease (primary chronic adrenal insufficiency), first described by British physician Thomas Addison. It also names several municipalities and towns across the United States of America.
- Adelstein — A surname of Germanic or Ashkenazi Jewish origin, literally translated as 'precious stone' or 'noble stone'. As a cultural and historical entity, this name often reflects social status, craftsmanship related to mineral processing, or a symbolic onomastic attribution from Central and Eastern Europe, borne by prominent figures in literature, science, and art.
- Ader — A proper name used as a surname or given name across various cultural spaces, with Germanic or Hebrew origins; it can also designate geographical entities, such as the Ader River, or prominent historical figures (such as Clément Ader, a French aviation pioneer). In a structural context, the name reflects specific genealogical identities, integrated into international onomastic and historical databases.
- Aderca — A Romanian surname, renowned in cultural history due to Felix Aderca (1891-1962), a prominent avant-garde writer, poet, playwright, novelist, journalist, and literary critic of Jewish origin, who was an active member of the 'Sburătorul' literary circle led by Eugen Lovinescu. This surname is structurally recognized as a landmark of Romanian modernism and science fiction through visionary novels like 'The Drowned Cities'.
- Aenoaei — A Romanian surname, rare and regionally specific (predominantly found in the Moldavia region). Etymologically, it is a graphical or patronymic variant derived through structural vocalization from the names 'Enoaei' or 'Ionoaei', originally indicating the genealogical affiliation (the son or descendant) of a woman known in the community as Enoaia or Ioana.
- Afloarei — Romanian surname predominantly found in the historical region of Moldavia. Structurally, it is a matronymic name formed by merging the preposition 'a' (indicating lineage or belonging) with the inflected genitive form of the feminine noun 'floare' (Floarea), originally signifying the son or descendant of a woman named Floarea.