On compte 108 Upanishads majeures :

  • 10 relèvent du Rig Veda
  • 16 relèvent du Sama Veda
  • 51 relèvent du Yajur Veda
  • 31 relèvent de l’Atharva Veda

Les 11 qui suivent sont tenues pour les plus importantes :

Isha Upanishad (Yajur Veda)
Kena Upanishad (Sama Veda)
Katha Upanishad (Yajur Veda)
Prashna Upanishad (Atharva Veda)
Mundaka Upanishad (Atharva Veda)
Mandukya Upanishad (Atharva Veda)
Taittiriya Upanishad (Yajur Veda)
Aitareya Upanishad (Rig Veda)
Chandogya Upanishad (Sama Veda)
Brihad-aranyaka Upanishad (Yajur Veda)
Shvetashvatara Upanishad (Yajur Veda)

À titre de référence, voici la liste des autres :

Brahma Upanishad
Kaivalya Upanishad
Jabala Upanishad
Hamsa Upanishad
Aruneya Upanishad
Garbha Upanishad
Narayana Upanishad
Paramahamsa Upanishad
Amrita-bindu Upanishad
Nada-bindu Upanishad
Shira Upanishad
Atharva-shikha Upanishad
Maitrayani Upanishad
Brihaj jabala Upanishad
Nrisimha-tapani Upanishad
Kalagni-rudra Upanishad
Maitreyi Upanishad
Subala Upanishad
Kshurika Upanishad
Mantrika Upanishad
Sarva-sara Upanishad
Niralamba Upanishad
Shuka-rahasya Upanishad
Vajra-suchika Upanishad
Tejo-bindu Upanishad
Nada-bindu Upanishad
Dhyana-bindu Upanishad
Brahma-vidya Upanishad
Yoga-tattva Upanishad
Atma-bodha Upanishad
Narada-parivrajaka Upanishad
Trishikhi Upanishad
Sita Upanishad
Yoga-chudamani Upanishad
Nirvana Upanishad
Mandala-brahmana Upanishad
Dakshina-murti Upanishad
Sharabha Upanishad
Skanda Upanishad
Maha-narayana Upanishad
Advaya-taraka Upanishad
Rama-rahasya Upanishad
Rama-tapani Upanishad
Vasudeva Upanishad
Mudgala Upanishad
Shandilya Upanishad
Paingala Upanishad
Bhikshu Upanishad
Maha Upanishad
Shariraka Upanishad
Yoga-shikha Upanishad
Turiyatita Upanishad
Sannyasa Upanishad
Paramahamsa-parivrajaka Upanishad
Malika Upanishad
Avyakta Upanishad
Ekakshara Upanishad
Purna Upanishad
Surya Upanishad
Akshi Upanishad
Adhyatma Upanishad
Kundika Upanishad
Savitri Upanishad
Atma Upanishad
Pashupata Upanishad
Param Brahma Upanishad
Avadhuta Upanishad
Tripura-tapani Upanishad
Devi Upanishad
Tripura Upanishad
Katha-rudra Upanishad
Bhavana Upanishad
Hridaya Upanishad
Yoga-kundalini Upanishad
Bhasma Upanishad
Rudraksha Upanishad
Gana Upanishad
Darshana Upanishad
Tarasara Upanishad
Mahavakya Upanishad
Pañca-brahma Upanishad
Pranagni-hotra Upanishad
Gopala-tapani Upanishad
Krishna Upanishad
Yajñavalkya Upanishad
Varaha Upanishad
Shatyayani Upanishad
Hayagriva Upanishad
Dattatreya Upanishad
Garuda Upanishad
Kali-santarana Upanishad
Jabali Upanishad
Saubhagya Upanishad
Sarasvati-rahasya Upanishad
Bahvricha Upanishad
Muktika Upanishad