| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 21 | Alikkees | NativeAmerican | Nez Perce name meaning haircut. | M | |
| 22 | Allahkoliken | NativeAmerican | Nez Perce name meaning antlers. | M | |
| 23 | Alo | NativeAmerican | Spiritual guide (Hopi). | M | |
| 24 | Anakausuen | NativeAmerican | Worker (Algonquin). | M | |
| 25 | Angvariationu Toke | NativeAmerican | Sioux name meaning another day. | M | |
| 26 | Annawan | NativeAmerican | Variant of Annawon: Algonquin name meaning Chief. | M | |
| 27 | Annawon | NativeAmerican | Algonquin name meaning Chief. | M | |
| 28 | Anoki | NativeAmerican | Actor. | M | |
| 29 | Apash Wyakaikt | NativeAmerican | Nez Perce name meaning flint necklace. | M | |
| 30 | Apenimon | NativeAmerican | Worthy of trust. | M | |
| 31 | Apiatan | NativeAmerican | Kiowa name meaning lance. | M | |
| 32 | Aponivi | NativeAmerican | Where the wind blows down the gap (Hopi). | M | |
| 33 | Appanoose | NativeAmerican | Sauk word for child. | M | |
| 34 | Ar-ke-kee-tah | NativeAmerican | Oto name meaning stay. | M | |
| 35 | Aranck | NativeAmerican | Stars (Algonquin). | M | |
| 36 | Arapoosh | NativeAmerican | Crow name meaning stomach ache. | M | |
| 37 | Arre-catte Waho | NativeAmerican | Omaha name meaning large elk. | M | |
| 38 | Ashishishe | NativeAmerican | Crow name for crow. | M | |
| 39 | Ashkii | NativeAmerican | Boy (Navajo). | M | |
| 40 | Ashkii Dighin | NativeAmerican | Navajo name meaning sacred child; holy child. | M | |