| Arline | | ahr-LEEN | English | |
| Arlo | | - | English | |
| Arn | | AHRN | English | |
| Arnie | | AHR-nee | English | |
| Arnold | | AHR-nəld (English), AHR-nawlt (German) | English, German, Ancient Germanic | |
| Arron | | AR-ən, ER-ən | English | |
| Art | | AHRT | English | |
| Arthur | | AHR-thər (English), ar-TUYR (French), AHR-toor (German), AHR-tur (Dutch) | English, French, German, Dutch, Norwegian, Danish, Swedish, Welsh Mythology, Arthurian Romance | |
| Arun | | - | Indian, Hindi, Marathi, Bengali, Telugu, Tamil, Malayalam, Gujarati, Punjabi | |
| Arvel | | - | English | |
| Aryana | | - | English (Modern) | |
| Ash | | ASH | English | |
| Asher | | A-shər (English) | Hebrew, English, Biblical, Biblical Hebrew | |
| Ashlea | | ASH-lee | English (Modern) | |
| Ashlee | | ASH-lee | English (Modern) | |