- Aaron
- Abernathy
- Abraham
- Abrams
- Ackerman
- Adams
- Adamson
- Adcock
- Afsordeh
- Akers
- Akin
- Al-Uqdah
- Albers
- Albert
- Albrecht
- Albright
- Alessi
- Alexander
- Allbright
- Allen
- Allison
- Allmon
- Allred
- Allsopp
- Alman
- Almquist
- Alsbrook
- Alshukri
- Ambrus
- Amponsah
- Anders
- Anderson
- Andrews
- Angel
- Angelo
- Angtuaco
- Antle
- Archer
- Arendt
- Armond
- Armstrong
- Arnold
- Aronson
- Arrington
- Arthur
- Asaro
- Ashcraft
- Ashley
- Atherton
- Atkins
- Atterberry
- Ausbrooks
- Austin
- Avery
- Ayer