#family name

• Alexandrescu — A highly widespread Romanian surname, formed as a patronymic from the core given name Alexandru. Throughout history, the name has been borne by numerous prominent cultural, literary, and scientific figures (such as the poet Grigore Alexandrescu or the composer Romeo Alexandrescu), being deeply rooted in the social and onomastic structure of all Romanian historical regions.
• Alexandri — An archaic, rare, or regional onomastic variant of the Romanian surname Alecsandri, formed as a patronymic from the core given name Alexandru. In the literary and cultural history of the Romanian space, the name emphasizes filiation or belonging to the boyar lineage of Moldavia, becoming famous through the 1848 writer, poet, and dramaturg Vasile Alecsandri (often spelled simplified in old administrative documents).
• Alexi — A Transylvanian Romanian surname or an archaic masculine given name, derived directly from the Greco-Latin name Alexius or the Slavo-Ecclesiastical form Alexei. In 19th-century Transylvanian cultural history, the name was borne by prominent ecclesiastical and academic figures (such as Ioan Alexi, a Greek-Catholic bishop and philologist), being closely linked to cultural emancipation movements and the standardization of the Romanian language in the region.
• Alinescu — A rare Romanian surname formed on an onomastic basis; a patronymic derivative probably related to the given name Alin or the verb 'a alina' (to soothe), used to identify a person's descent from a specific family lineage. As a proper lexical entity, it complies with capitalization rules and is specific to the local cultural and linguistic space.
• Alionescu — A rare Romanian surname formed on an onomastic basis; a complex patronymic derivative constructed from the base name Alion or from a hypocoristic root, used to identify a person's descent from a specific family lineage. As a proper lexical entity, it complies with capitalization rules and is specific to the local cultural area.
• Aloman — A Romanian surname with ancient regional-historical onomastic roots, predominantly found in the Transylvania region; also, a designation attributed to local topographic features (such as the Aloman Valley). From an etymological and structural viewpoint, the name may derive from an archaic nickname or from a local adaptation of migratory or regional terms, preserved in cadastral archives and civil status documents.
• Alpaș — A Romanian surname with regional-historical onomastic roots or a structurally fixed archaic nickname; alternatively, it can represent a local toponymic element used in the past to designate a small estate or a border settlement. The name reflects phonetic particularities and linguistic adaptations specific to transition dialects.
• Alpatov — A surname of Slavic (Russian) origin, historically found in documents or academic studies across Eastern Europe, including art historiographical analyses (for instance, the famous art historian Mikhail Alpatov). Etymologically, the name derives from a hypocoristic form or regional adaptation of the Christian name Ipatiy (Hypatios), structurally fixed via the patronymic suffix '-ov'.
• Alupei surname — A Romanian surname, predominantly widespread in the Moldavia region and the northern part of the country; an anthroponymic proper name historically derived from a nickname or a phonetically altered regional form (possibly linked to the root 'lup' with prefixation or local phonetic influences). Personalities bearing this name have been active in various public fields, including elite sports, art, and academia.
• Alvarado — A surname of Spanish origin, etymologically derived from a toponym meaning 'whitewashed place' or 'riverbed washed by water'; the name of several cities and administrative units in Spain and Latin America. Historically, it is associated with the famous conquistador Pedro de Alvarado, and currently, it is borne by numerous public figures, athletes, and international politicians.
• Alvarez — A patronymic surname of Spanish origin, structurally meaning 'son of Alvaro' or 'son of the wise/attentive one'; one of the most widespread names in the Iberian Peninsula and Latin America. Historically and scientifically, it is associated with world-renowned personalities, such as physicist Luis Alvarez (Nobel laureate) and numerous contemporary elite athletes.
• Alvear — A surname of Spanish origin, historically linked to the Cantabria region; the name of several localities, departments, and streets in Argentina and Spain. In an international historical context, the name is closely associated with General Carlos María de Alvear, a prominent figure in the Argentine War of Independence, with the toponym being frequently used to name administrative units in his honor.
• Alvez — An orthographic variant or rare form for the Hispanic surname 'Alves' or 'Alvarez'; an anthroponymic proper name used within Ibero-American communities. Although the spelling with a final 'z' is less frequent than the standard Portuguese variant with 's', it appears officially fixed in international civil registries.
• Alvinczy — An aristocratic surname of Hungarian origin, historically closely linked to Transylvania; an onomastic form derived from the toponym 'Alvinc' (the Hungarian name for Vințu de Jos locality in Alba county). In European history, the name is famous due to Baron József Alvinczy, a field marshal of the Habsburg Empire, known for his military campaigns against Napoleon Bonaparte in Italy.
• Alvirescu — An extremely rare Romanian surname, structurally assembled from a given name of Western or Hispanic origin (such as Alvaro or Alvire) combined with the specific native patronymic suffix '-escu'; an anthroponymic identity marker indicating filiation or genealogical descent from a family with Transylvanian or neological influences.
• Amandachi — A rare Romanian surname, historically specific to the Moldavian geographic region. Etymologically, it is a patronymic derivative formed by appending the Greek hypocoristic suffix '-achi' (meaning 'little' or 'son of') to the base name Amand or Amanda, structurally integrated into local onomastics to denote lineage.
• Amățoaei — A rare Romanian surname, historically specific to the Moldavian geographic region. Etymologically, it is a matronymic derivative formed by appending the popular suffix '-oaei' to a base nickname or name derived from the root 'Amăț-' or 'Amați'.
• Ambriboiu (surname) — An archaic spelling variant or old articulated form of the regional phytonymic term, preserved today as a rare surname encountered in specific regions of Romania or as a minor toponym. Linguistically, it reflects the final '-u' orthography specific to documents of past centuries and underlines the close link between nature-based nicknames and the establishment of modern rural family names.
• Ambrohie (surname) — A highly rare regional onomastic variant, derived through phonetic alteration from the masculine given name Ambrozie (from the Greek 'Ambrosios', divine or immortal). This specific form preserves the insertion of the consonant 'h' in place of the sibilant or fricative, a phonetic phenomenon historically attested in certain rural sub-dialects of the eastern Romanian space, preserved today exclusively as a surname or minor toponym.
• Ambrosi (surname) — A Romanian proper family name, also encountered in international onomastics (especially Italian or Germanic), derived directly from the basic form of the masculine given name Ambrozie. In a national context, it represents a rare patronymic variant that underwent administrative spelling changes over time, indicating a direct descent from an ancestor bearing this historical Christian first name.