| Athos | Athos means 'bliss' or 'happiness' in Greek, derived from the word 'athos' meaning 'to delight'. |
| Atilla | Attila means 'little father' or 'father of the people' in Hungarian, derived from the name Attila, a 5th-century king. |
| Atom | Indivisible unit of matter, smallest component of a chemical element, derived from Greek 'atomos' meaning 'uncuttable'. |
| Aton | Aton means 'gift of God' or 'divine gift' in Hebrew, derived from the word 'aton' meaning 'gift'. |
| Atreo | Derived from the Greek for fearless. |
| Atrus | Derived from Latin 'auster,' meaning south wind, or possibly from 'atrus,' a rare Latin surname. |
| Atrush | Atrush is a variant of the name Atreus, meaning 'son of the sea' or 'descendant of the sea god'. |
| Attilio | Italian name meaning 'new' or 'young', derived from the Latin 'novellus'. |
| Attison | Son of the noble and brave one. |
| Atz | Atz is a Hebrew name meaning 'God is my strength' or 'God is my rock'. |
| Aubray | Ruler of the magical elf folk. |
| Aubriee | A noble and powerful elf ruler. |
| Aubriella | A noble and wise elf princess. |
| Augustan | Great; venerable |
| Augustas | Great; venerable |
| Augusten | Derived from Latin 'augustus,' meaning majestic, great, or venerable, often associated with nobility and grandeur. |
| Augustijn | Derived from Latin 'augustus', meaning majestic, great, or venerable, often associated with nobility and grandeur. |
| Aune | A name meaning eternal grace. |
| Aurelianus | Gilded or golden |
| Aureo | Gilded or golden |
| Aurianna | Derived from gold or dawn. |
| Auric | Relating to gold, golden, or having a golden color or quality. |
| Austell | Austell is a surname of Welsh origin, derived from 'ystrad' meaning valley and 'ell' meaning stream. |
| Austeyn | Meaning majestic or venerable. |
| Austinn | One who is venerable; majestic |
| Auston | Auston is a surname of English origin, derived from the Old English words 'east' and 'tun', meaning 'eastern settlement'. |
| Austynn | One who is venerable; majestic |
| Auther | Author refers to a person who creates written content, such as books, articles, or other written works. |
| Author | One who creates written works, especially literary or scholarly compositions. |
| Auttumn | Born in the fall autum |
| Autumnn | Born in the fall autum |
| Avaline | A form of evelyn |
| Avanni | Earth or the natural world. |
| Avellino | Named after an Italian city. |
| Averett | Everetts son; a wild boar; strong; brave; hearty |
| Averie | A form of aubrey |
| Avett | Avett is a surname of German origin, derived from 'Abet' meaning 'noble' or 'exalted'. |
| Avgoustinos | August-born, derived from the Greek name 'Augustos' meaning born in the month of August. |
| Avien | Avien is a name derived from Latin, meaning 'bird' or 'raven', symbolizing mystery and intelligence. |
| Avier | Derived from the Latin 'aviare,' meaning 'to fly' or 'bird-like,' possibly related to a bird or aerial theme. |