#patronymic name
- Altulești — The name of small rural localities in Romania, found in the historical geographical gazetteer or as a local microtoponym; designates community settlements historically formed around families or estates whose patronymics derived from the onymic stem 'Altu'.
- Amphitryoniades — A rare patronymic noun of Greek origin attributed to the legendary hero Heracles (Hercules), derived from the name of his foster father, King Amphitryon, because his mother, Alcmene, was married to him at the time of the hero's divine conception by Zeus; the term is utilized in epic poetry and classical Greek and Latin texts (such as the works of Ovid or Virgil) as a solemn formula of address or structural identification of the hero's lineage.
- Ampycides — An ancient Greek patronymic name attributed to the renowned seer and prophet Mopsus, structurally indicating his lineage as the son of Ampycus (Ampyx). This solemn appellation is utilized in classical epics and Latin mythological poetry (such as Ovid's Metamorphoses) to identify the hero during the Argonauts' expedition or the Calydonian Boar hunt.
- Amzescu — A Romanian surname, formed within the local anthroponymic field by applying the traditional patronymic suffix '-escu' to the base name Amza. It indicates direct descent from an ancestor who bore the name or nickname Amza, being encountered predominantly in the historical regions of Oltenia and Muntenia.
- Amzoiu — A Romanian surname, formed within the local anthroponymic field by applying the traditional augmentative or family patronymic suffix '-oiu' to the base name Amza. Characteristically found in the southern regions of Romania, this name indicates descent from a prominent ancestor who bore the name or nickname Amza.
- Amzuloiu — A Romanian surname, formed within the local anthroponymic field by applying the compound augmentative or patronymic suffix '-uloiu' to the base name Amza. It is a name characteristic of shepherding and farming settlements in the sub-Carpathian areas of Muntenia and Oltenia, denoting affiliation with the lineage of a respected ancestor.
- Anculescu — A Romanian patronymic surname, distributed primarily in the historical regions of Muntenia and Oltenia, structurally formed on the onomastic radical Ancu. The specific suffix indicates direct descent, meaning 'the son of Ancu', reflecting a classic model of family name stabilization in Romania whereby parents' nicknames or first names became hereditary identity marks.
- Andoni — A Romanian patronymic surname, distributed primarily in the historical region of Moldova and the Balkan space, originating as a regional phonetic variant or direct derivative of the Christian first name Antonie or Anton. It represents a structural identity mark illustrating how archaic popular genitive suffixes transformed into stable hereditary family names.
- Andonin — An extremely rare Romanian surname or archaic masculine first name, structurally composed of a hypocoristic root related to Andonie or Andrei and extended via the popular diminutive suffix '-in'. It represents an old onomastic variant preserving dialectal features specific to isolated rural communities in the Balkan basin.
- Asaftel — A Romanian family name, predominantly widespread in the historical region of Moldavia, formed as a patronymic indicating direct filiation. From a structural point of view, it was created by combining the masculine given name of ecclesiastical origin 'Asaf' (derived from the Hebrew Asaph, meaning the one who gathers or collector) with the diminutive familial suffix '-el', originally indicating the son of Asaf.