This is a list of the most common boy names starting with the letter A, based on babies born in the United States in the year 2021.
| Name | Births |
|---|---|
| Alexander | 9,344 |
| Asher | 8,281 |
| Aiden | 8,252 |
| Anthony | 6,741 |
| Andrew | 5,570 |
| Adrian | 5,113 |
| Aaron | 4,818 |
| Angel | 4,661 |
| Axel | 4,516 |
| Austin | 3,752 |
| Adam | 3,634 |
| August | 3,133 |
| Amir | 3,006 |
| Archer | 2,713 |
| Ayden | 2,618 |
| Ashton | 2,527 |
| Atlas | 2,523 |
| Adriel | 2,464 |
| Arthur | 2,453 |
| Ace | 2,432 |
| Antonio | 2,169 |
| Arlo | 1,975 |
| Alex | 1,945 |
| Abel | 1,935 |
| Alan | 1,918 |
| Amari | 1,908 |
| Abraham | 1,885 |
| Alejandro | 1,839 |
| Avery | 1,787 |
| Andres | 1,738 |
| Adonis | 1,715 |
| Atticus | 1,295 |
| Aidan | 1,195 |
| Andre | 1,159 |
| Angelo | 1,037 |
| Anderson | 996 |
| Aziel | 971 |
| Ali | 955 |
| Ari | 949 |
| Armani | 879 |
| Archie | 779 |
| Apollo | 778 |
| Alijah | 758 |
| Augustus | 656 |
| Adan | 646 |
| Andy | 632 |
| Alexis | 629 |
| Asa | 586 |
| Ayaan | 568 |
| Ares | 565 |
| Alonzo | 564 |
| Allen | 551 |
| Armando | 513 |
| Ariel | 504 |
| Albert | 497 |
| Arjun | 475 |
| Abram | 474 |
| Axton | 458 |
| Amos | 457 |
| Alessandro | 453 |
| Augustine | 448 |
| Atreus | 432 |
| Aarav | 431 |
| Abdiel | 430 |
| Arturo | 426 |
| Ander | 425 |
| Anakin | 425 |
| Azariah | 419 |
| Ambrose | 397 |
| Ahmed | 394 |
| Alden | 387 |
| Aden | 386 |
| Alec | 385 |
| Ahmad | 383 |
| Alberto | 371 |
| Alfredo | 367 |
| Aron | 346 |
| Amiri | 329 |
| Amias | 329 |
| Alvin | 322 |
| Alonso | 316 |
| Aryan | 310 |
| Avi | 310 |
| Ameer | 285 |
| Alvaro | 285 |
| Azrael | 281 |
| Allan | 281 |
| Axl | 278 |
| Alaric | 269 |
| Alfonso | 261 |
| Arian | 259 |
| Anders | 259 |
| Aydin | 256 |
| Alistair | 255 |
| Alfred | 253 |
| Adler | 250 |
| Avyaan | 249 |
| Aries | 247 |
| Azriel | 244 |
| Ayan | 240 |