- Ashley
- Angelica
- Awesome Kitty
- Allred
- Albie-Capone
- Arpeggio
- Aliki
- Andy
- Agony
- Ann
- Americat
- Aptos
- Aikido
- Adacat
- Aurey
- Abstain
- ASAP
- Agili-tree
- Abby
- Anamokit (Indian for Little Thunder)
- Aqua Girl
- Agent Smith
- Audball
- Allstar Kitty
- Abbykitty
- Aeolus (Greek God of the Wind)
- Andrew
- Akane
- Alan
- Asja
- Amtrak
- Annie Marie
- Alecia
- Adiza
- Agatha
- Aphrodisia
- Arfie
- Ani
- Antonio Banderas
- Ashes
- Artie
- Agnes
- Aidan
- Allie Cat
- Albert (after Albert Einstein)
- Aethra
- Aspen
- Antelope
- Ambrosia
- Annabel
- Akula
- Alistair
- Aristotle
- Alvin
- Aurora
- Amiga
- Abbie
- Abelard
- Amazon
- Areli
- Alina
- Alla
- Aleksei
- AnnaBelle
- Alfred
- Apuu
- Aaron
- Alicia
- Aspirin
- Antarctica
- Akim
- Agustus
- Asti
- Aloha
- Alexa
- Arnold
- Alabaster
- Amelia
- Acorn
- Anubis (Egyptian god of the underworld)
- Azmodius
- Anitra
- Appollinia
- Achilles (Champion of the Greeks in the Trojan War)
- Apple Pie
- Arthur
- Aluminum
- Apollo (the mythological god of light and truth)
- Anna
- Anchor
- Atom
- Archie Bunker
- Agent 007
- Alias
- Amanda
- Aza
- Albatross
- Achy-Breaky
- Aleksandra
- Angelina
- Abe
- Aztec
- Alberto
- Ancient God
- Aramis (named after a Muskateer)
- Azzul
- Attica
- Aladdin
- Avatar
- Andromeda
- Atlas
- Abbstinot
- Artful Dodger
- Anton
- Aha!
- Attitude
- Aloka
- Atlantic
- Arnie
- Asia Minor
- Anonypuss
- Angelika
- Angel Eyes
- Ambrose
- Albrecht
- Addis
- Ambiguity
- Allegra
- Ashton
- Ada
- Alexandra
- Auggie or Augie
- Archie
- Allstar
- Allegro
- Astra
- Ammie
- Abubu
- Argyle
- Al Bundy
- Algernon (old French for "whiskered")
- Antonia
- Ana
- Amalthea
- Amor (Spanish; love)
- Attila
- Acat
- Algebra
- Ash
- Absolut
- Agadore
- Arm (and Hammer?)
- Aliza
- Angel Cookie
- Alien
- Argo
- Ami
- Andrae
- Aubrey
- Amen-Ra
- Afrikan
- Asker
- Abbot
- Alexandria
- Amaze
- Asha
- Anika
- Adam
- Ancient One
- Athens
- Allergen (owners are allergic?)
- Allison
- A.J.
- Alf
- Alfanzo
- Allan
- Anya
- African Queen
- Angy Poo
- Angus (after McGyver's first name)
- Augustina
- Amazing Grace
- April
- Ambush
- Aska
- Asia Major
- Aku
- Amigo
- Ar-too
- Armand
- Augusta
- Abby-girl
- Atilla
- Ayla
- Ariel (from the movie, "The Little Mermaid")
- Akuna
- Airhead
- Ana-Hata
- Amour (French; love)
- Anthem
- Antonio
- Akeisha
- Alicat
- Acis
- Abra (and Cadabra?)
- Annapolis
- Alonzo
- Amway
- Agility
- Artesian
- Alladin
- Alanna
- Abba
- Arriana
- Arlo
- Athena (Goddess of War)
- Arbutis
- Abs
- Adagio
- Ankle Biter
- Amazing Cat
- Azazael
- Ashli
- Adobe
- Atticus
- Akamai (means "smart" in Hawaiian)
- American Pie
- Aunt Kat
- Asia
- Annabelle
- Amy
- Adorable
- Abdul
- Ansel Adams
- Alani
- Abcat
- Astin Martin
- Alero
- Abu
- Alix
- Ace
- Amon
- Astor
- Ariela (Hebrew: female derivative of lioness)
- Asimov
- Amulet
- Almond Joy
- Arielle
- Ambar
- Astro
- Angus Pangus
- Amazing Mr. Flathead
- Agatha Christie
- AbbyGail
- Abbi-girl
- Andi
- Adidas
- Asteroid
- Annie
- Ahi
- Ashleigh
- Armando
- Abel
- Askhim
- Agrippina
- Austin Powers
- Abstraction
- Amadeus (after Mozart)
- Alabama
- Aegyptos
- Anastasia (after the Russian princess)
- Alfred "Lord" Tennyson
- Augustus
- Angeline
- Addie
- Alyx
- Awesie
- Adirondak
- Austin
- Alley
- Angel Boy
- Attucks
- Almond
- Amerito
- Artemis (for the Greek goddess of hunting and moon)
- Angelee
- Amba
- Alexander
- Alosha
- Astrology
- Amen
- Alice B. Toe-Claws
- Advance Cat
- African-Americat
- Ace Of Spades
- Abbigail
- Avalon
- Akeem
- Alegra
- Amos
- Ampersand
- Alouiscious
- Amelia Air-Cat (named after aviator Amelia Earhart)
- Abby-normal
- Amewsed
- Allie
- Arlington
- Alfie
- Aphrodite
- Aziza (means "precious" in Swahili)
- Autumn
- Alise
- Anthea
- Anatoly
- Alokee
- Angelo
- Appy
- Antar
- Aster
- Arietty
- Anowa
- Ares
- Augustin
- Aja
- Alphie
- Agassi
- Adolph
- Althea
- Arnold
- Austin Meowers
- Ansel
- AristoCat
- Azrael
- Aiko
- Anabel
- Aelurus (sacred cat of Egypt)
- Andrea
- Alma (Spanish for soul)
- Adelaida
- Anala
- Akeel
- Awk
- Andrew Jackson
- Abendigo
- Anabelle
- Abi
- Arthur, King of Kittens
- Aries
- Arf
- Alfalfa
- Aura
- Adored One
- Ateesha
- Avalanche
- Azzuki
- Abigail
- Armanda
- Alex
- Ally
- Amber
- Alice
- Aggie
- Aldebaran
- Anishka
- Annapurna
- Ann-Margaret
- Alyssa
- Aenias
- Abbey
- Axl Rose
- Alfonzo
- Adom
- Ankle Dancer
- Air Einstein
- Annette
- Aki
- Alexis
- Abba-daba
- Apple
- Agatie
- Abednego
- Ava
- Autumn Leaves
- Argent
- Amariah (Hebrew - the Lord has promised)
- Ante
- Angie
- Absolon (from Chaucer's "Cabterbury Tales")
- Anon
- AirRaid
- Ambidextrous
- Audrey
- Asher
- Afonia
- August
- Artera
- Axl
- Abner
- Amaretto
- Afrikat
- Angelface
- Arrow
- Azalea
- Arfur
- Atari
- Anonymous
- Arizona
- Ashfall
- Angel
- Atte
- Asmara
- Anaconda
- Angela
- Arby
- Adonis
- Applejack
- Alibi
- Aleta
- Abyss
- Antha
- Abra
- Aleiah
- Alaska
- Azure
- Apri
- Agamemnon
- Ajax
- Anaakii (Japanese for "anarchy")
- Audie
- Adrock
- Aelgifa (The Elven Gift - Olde English)
- Asti Spumonte
- Algy
- Ab
- Adrian
- Argon
- Agate
- Andie
- Amenhotep
- Allspice
- Ambassador
- Awestruck
- Abercrombie
- Archibald
- Adcom
- Antic
- Aimee
- Adar
- Africa
