| Action | Derived from the Latin word for deed. |
| Acton | Oak tree settlement |
| Actor | Meaning a leader or a guide of men. |
| Actoris | Derived from the Greek for leader. |
| Acwel | An old English name meaning oak well. |
| Acwellen | Meaning a spring near the oak tree. |
| Acyuta | Unending; Never Lapsing; Eternal |
| Acyutananda | Insatiable Bliss; One who Never Falls |
| Acyutaraya | Worshipper of the infallible, a devotee of Vishnu |
| Acyutayu | With an Impershiable Life |
| Adab | Refers to etiquette and culture. |
| Adabjot | Light of Respect |
| Adad | Storm and flood god. |
| Adadah | Testimony of the assembly |
| Adael | God's ornament. |
| Adag | pure blemishless |
| Adahy | Lives in the woods (Cherokee) |
| Adaia | Variant of Adaiah: Witness of God. |
| Adaiah | The witness of the Lord |
| Adaikalam | A place of refuge and shelter. |
| Adaire | A name meaning noble and kind. |
| Adalah | Represents fairness and equity. |
| Adalarachan | The king of dance and rhythm. |
| Adalarasen | The monarch of all dancing. |
| Adalarasu | King of the islands or ruler of lands. |
| Adalard | A person of noble and brave strength. |
| Adalardo | One who possesses noble bravery. |
| Adalbert | Intelligent or noble |
| Adalberto | A version of the given name Albert, meaning highly honored. |
| Adalbjorg | A noble protector or guardian. |
| Adalbrecht | High-born; Brilliant; Bright Nobility |
| Adaleru | One who is of noble character. |
| Adalgar | A noble spear or warrior. |
| Adalgiso | A noble pledge or hostage. |
| Adalhard | One who is brave and noble. |
| Adaliah | One that draws water, poverty, cloud, death.;One that draws water, poverty, cloud, death |
| Adalira | fairy of the harp |
| Adalric | A noble and powerful ruler |
| Adalrik | Noble leader of the kingdom |
| Adalson | Son of a noble born father |