| Aham Brahman Asmi |
| Ahamkara |
| Ahampratyaya |
| Ahimsa |
| Aishvara-Yoga |
| Aishvarya |
| Ajanta |
| Ajapa-Mantra |
| Ajari |
| Ajnana |
| Akama |
| Akasha |
| Akrodha |
| Akshara |
| Akshara-Purusha |
| Akshobhya |
| Aku-Byodo |
| Akushala |
| Akushu-Ku |
| Alabha-Bhumikatva |
| Alambana |
| Alaya-Vijnana |
| Alvar |
| Amanaska |
| Amarakosha |
| Amara-Purusha (Amara-Purusa) |
| Amaravati |
| Amba |
| Ambedkar |
| Amidismus |
| Amitaba, Amita |
| Amitabha-Sutra |
| Amitayurdhyana-Sutra |
| Amitayus |
| Amoghasiddhi |
| Amrita |
| Amritattva |