| Alyssa | Form of Alice, meaning woman of the nobility, truthful; having high moral character; Good humor.; Of Noble Birth; Rational; Sweet Angel; Variant of Alice. |
| AMALTHEA | myth name (nursed Zeus) |
| Amalthia | Woman who nursed Zeus. |
| Amantha | Variant of Amarantha. A flower name. Variant of Samantha. |
| Amara | Beloved.; Eternal; Grass, immortal one; Imperishable.; Immortal; Immortal, Eternal; One who will be forever beautiful; Unfading. |
| Amaranda | An everlasting flower of grace. |
| Amarande | A name meaning eternal beauty. |
| Amaranth | an unfading flower |
| Amarantha | A flower that never withers. |
| AMARYLLIS | To sparkle or shine brightly. |
| Amazonia | Land of the Amazon river |
| Ambrocio | Derived from the word immortal. |
| AMBROSE | Derived from the Greek for immortal. |
| Ambrosia | Food of the gods.; Immortal; in mythology, the food of the gods |
| AMBROSINE | A feminine form meaning immortal one. |
| Ambrotosa | A rare name meaning sweet nectar. |
| Ambruslne | Feminine form of Ambrose: Immortal. 5th-century British military leader Ambrosius Aurelianus was probably a prototype for legendary King Arthur. |
| AMETHYST | A precious purple gemstone. |
| Amhrosine | A name meaning immortal one. |
| AMPHIARAUS | myth name (one of the attackers of Thebes) |
| AMPHION | myth name (son of Zeus) |
| AMPHITRITE | myth name (a sea goddess) |
| AMPHITRYON | myth name (husband of Alcmene) |
| AMPYX | myth name (father of Mopsus) |
| AMYCUS | myth name (son of Poseidon) |
| AMYMONE | myth name (murdered her husband) |
| Anacletus | Variant of Anakletos: Calling forth. |
| Anael | Guardian of Librans. |
| Anakletos | A name meaning one who is called. |
| ANASSA | Greek name meaning "queen." |
| Anastacia | Variant of anastasia-reborn |
| Anastasha | One who is destined to resurrect. |
| Anastashia | A soul destined for new life. |
| Anastasia | One who will rise up once more. |
| Anastasios | A Greek name meaning one who will rise again. |
| ANASTASIUS | Latin form meaning one who is resurrected. |
| Anastassia | A feminine name meaning resurrection again. |
| Anastazia | A variant meaning one who is resurrected. |
| Anasztaz | Hungarian form meaning one who is reborn. |
| ANATLOE | A dweller of the east land. |