- Abba
- Abner
- Abramovitz
- Acalin
- Achs
- Ackerman
- Adams
- Adamson
- Agress
- Aguilar
- Aguirre
- Aho
- Ainsworth
- Aitken
- Alarid
- Alcott
- Alfieri
- Alford
- Alhadeff
- Alipanah
- Allen
- Almazan
- Alvarado
- Alves
- Alzona
- Ambrose
- Amin
- Andersen
- Anderson
- Andersson
- Ando
- Andres
- Andrews
- Ansley
- Anspach
- April
- Arakaki
- Arata
- Arbirio
- Arborn
- Arellano
- Arenas
- Arevalo
- Armas
- Armijo
- Armstrong
- Arredondo
- Arriola
- Aschbrenner
- Ashe
- Ashworth
- Asselin
- Ast
- Astbury
- Audiss
- Augenstein
- Augustine
- Avalos
- Avelino
- Averi
- Avila