| Astritஅஸ்த்ரித | Invincible, Gold, Unconquerable |
| Astritiஅஸ்த்ரீதீ | One who is invincible or bold. |
| Astutiஅஸ்துதீ | One who is full of devotion. |
| Asulஅஸுல | No obstacles, Calm, One who meets no obstacles, Happy |
| Asumanஅஸுமாந | lord of vital breaths |
| Asvikaஅஸ்விகா | A person who is a rider of horses. |
| Asvinஅஷ்விந, அஸ்விந | gods of medicine |
| Asvithaஅஸ்வீதா | A person who is strong and energetic. |
| Aswalஅஸ்வால | Horse Ridder or Keeper |
| Aswaniஅஷ்வநீ | Strong and complete (Son of Lord Sun) |
| Aswanthஅஸ்வாஂத | Victorious, Peepal tree, Holy tree, Buddha got wisdom under it |
| Aswanthaஅஸ்வந்தா | Victorious, Peepal tree, Holy tree, Buddha got wisdom under it |
| Aswapnஅஸ்வப்ந | One who has a dream about the horses. |
| Aswathஅஸ்வத | This is the tree where Buddha did meditate and gained lot of knowledge ... so it can also be considered as tree of knowledge, Banyan tree |
| Aswathaஅஸ்வதா | Aswatha is a Sanskrit name meaning 'sacred fig tree' or 'sacred basil', symbolizing spiritual growth and enlightenment. |
| Aswathaamaஅஸ்வதாமாஂ | One who has the strength of a horse. |
| Aswathiஅஸ்வதீ | First star in the zodiac |
| Aswathyஅஸ்வாதீ | A star in Indian astrology |
| Aswinஅஷ்விந | Friend with a spear. |
| Aswiniஅஷ்விநீ | The first lunar mansion |
| Aswithaஅஸ்வீதா | Beauty of Victory |
| Asyaஅஸ்யா | One who is full of grace |
| Atalஅடல | Immoveable; Stable, unavoidable; Unshakeable |
| Atambhuஆத்மபூ | The holy trinity |
| Atanaஅதநா | One who is not restricted. |
| Atanuஅதநு | One without a physical form. |
| Atasஅதாஸ | The soul, Divine |
| Atasiஅதாஸீ | A flower with a deep blue hue. |
| Atchyaஅத்ச்யா | A person of eternal nature |
| Ateekshஅதிக்ஷ | One who is sharp and wise |
| Ateetஅதீத | One who belongs to the past |
| Athaliaஅதாலியா | God is exalted in his glory. |
| Atharavஅதர்வ | Lord Ganesh, Name of a Ved, Name of a Rishi married to Santi, The daughter of kardam Rishi and devahooti, Name of brahmas eldest son, To whom he revealed brahma-vidya |
| Atharvஅதர்வ | First Veda, meaning wise or learned. |
| Atharvaஅதர்வா | The first Vedas, Lord Ganesh, Knower of the arthara Vedas |
| Atharvanஅதர்வண | One of the four Vedas |
| Athashaஅதாஷா | A name meaning the wish or desire. |
| Atheevaஅதீவா | One who is unique and supreme. |
| Athibanஅதீபந | Leader. born to win as a leader, Lord ayyapas another name |
| Athidhiஅதிதி | Important person |