- Abdo
- Abrams
- Acker
- Ackerman
- Ackland
- Acosta
- Adams
- Adkins
- Aguilar
- Aguirre
- Ailanjian
- Akhtab
- Alameddine
- Alden
- Alexander
- Allah
- Allen
- Allison
- Alvarado
- Alvarez
- Amirian
- Anderson
- Angel
- Angerhofer
- Anketell
- Antczak
- Anthony
- Arakelian
- Arakelyan
- Aranda
- Arceo
- Arjona
- Armel
- Armstrong
- Arroyo
- Arvedson
- Arvo
- Asbury
- Aschbacher
- Asdarjian
- Ashby
- Ashjian
- Ashley
- Assaf
- Au
- Austin
- Avedikian
- Avina
- Awakimian