- Abbas
- Abbou
- Abel
- Abernathy
- Abidi
- Abrams
- Acklin
- Acreman
- Adair
- Adams
- Adcock
- Addington
- Adebiyi
- Aders
- Adkins
- Adlich
- Agarwal
- Agee
- Agnew
- Aguinaga
- Ailles
- Aitken
- Akbay
- Akin
- Akins
- Albertson
- Albright
- Albritton
- Alburl
- Aldrich
- Aldridge
- Aldrup
- Alexander
- Alford
- Allen
- Allison
- Allred
- Alofs
- Alonso
- Alsobrook
- Alt
- Amaral
- Ambrose
- Amesbury
- Amos
- Anders
- Andersen
- Anderson
- Andreoni
- Andrews
- Andrzejewski
- Anewalt
- Annerton
- Ansorge
- Antar
- Apice
- Appleberry
- Applegate
- Appleton
- Arbona
- Archard
- Ardelean
- Armstrong
- Arndt
- Arnold
- Artis
- Ashburn
- Ashby
- Ashcraft
- Ashley
- Ashmead
- Ashworth
- Askew
- Askins
- Asquith
- Atchison
- Atchley
- Atkins
- Atkinson
- Atnip
- Austin
- Avery
- Axley
- Aycock
- Ayers
- Azar