Here are some great names for cats starting with the letter A.
| A2Z | Agnes | Amos |
| Aaron | Agrippa | Amy |
| Aba | Ahmad | Anastasia |
| Abba | Ahmed | Anatole |
| Abbey | Aiden | Andreas |
| Abbey The Tabby | Aimee | Andy |
| Abbott | Ainsley | Angel |
| Abby | Ainslie | Angelface |
| Abdullah | Aitken | Angelica |
| Abe | Aj | Angelina |
| Abel | Ajax | Angelique |
| Abelard | Ajay | Angelo |
| Aberdeen | Al | Angus |
| Abie | Alabaster | Anika |
| Abigail | Alan | Anna |
| Abiyram | Alana | Annabel |
| Abner | Alanna | Annie |
| Abra | Alaska | Anoosh |
| Abraham | Alastair | Anoshka |
| Abram | Alban | Anouk |
| Absolom | Albany | Antonia |
| Abu | Albert | Aphrodite |
| Acara | Alberta | Apollo |
| Acdc | Albi | Apple |
| Ace | Albus | Apples |
| Achilles | Aldo | Apricot |
| Achoo | Alec | April |
| Achu | Aled | Aramis |
| Acorn | Alex | Archibald |
| Ad | Alexa | Archie |
| Adagio | Alexander | Aretha |
| Adair | Alexandra | Aries |
| Adam | Alexus | Aristotle |
| Adara | Alfie | Arizona |
| Addie | Algergnon | Arlo |
| Addison | Algie | Arnie |
| Addy | Ali | Arnold |
| Ade | Ali Baba | Arwen |
| Adelaide | Alias | Asbo |
| Adele | Alice | Ash |
| Adelio | Alien | Ashes |
| Adem | Allegra | Ashley |
| Aden | Allegro | Asia |
| Adia | Alley | Aster |
| Adiel | Alleycatt | Asterix |
| Adish | Allie | Asterix |
| Admiral | Almonds | Astro |
| Adolfo | Aloha | Athena |
| Adolph | Alpha | Atlanta |
| Adolphus | Alvin | Atlantic |
| Adonis | Amadeus | Atlantis |
| Adopted | Amanda | Atlas |
| Adorabelle | Amazon | Attila |
| Adrian | Amber | Augusta |
| Adriana | Ambrose | Augustus |
| Adriano | Ambrosia | Aussie |
| Aero | Amelia | Austin |
| Aesop | Amen | Autumn |
| Africa | Amethyst | Avocado |
| Agamemnon | Amigo | Awol |
| Agatha | Amor | Azure |
| Aggie | Amora |