RIG-VEDA:
- Aitareya Upanishad
- Aksha-Malika Upanishad
- Atma-Bodha Upanishad
- Bahvricha Upanishad
- Kaushitaki-Brahmana Upanishad
- Mudgala Upanishad
- Nada-Bindu Upanishad
- Nirvana Upanishad
- Saubhagya-Lakshmi Upanishad
- Tripura Upanishad
SUKLA-YAJUR-VEDA:
- Adhyatma Upanishad
- Advaya-Taraka Upanishad
- Bhikshuka Upanishad
- Brihadaranyaka Upanishad
- Hamsa Upanishad
- Isavasya Upanishad
- Jabala Upanishad
- Mandala-Brahmana Upanishad
- Mantrika Upanishad
- Muktika Upanishad
- Niralamba Upanishad
- Paingala Upanishad
- Paramahamsa Upanishad
- Satyayaniya Upanishad
- Subala Upanishad
- Tara-Sara Upanishad
- Trisikhi-Brahmana Upanishad
- Turiyatita-Avadhuta Upanishad
- Yajnavalkya Upanishad
KRISHNA-YAJUR -VEDA:
- Akshi Upanishad
- Amrita-Bindhu Upanishad
- Amrita-Nada Upanishad
- Avadhuta Upanishad
- Brahma-Vidya Upanishad
- Brahma Upanishad
- Dakshinamurti Upanishad
- Dhyana-Bindu Upanishad
- Ekakshara Upanishad
- Garbha Upanishad
- Kaivalya Upanishad
- Kalagni-Rudra Upanishad
- Kali-Santarana Upanishad
- Katha Upanishad
- Katharudra Upanishad
- Kshurika Upanishad
- Maha-Narayana (or) Yajniki Upanishad
- Pancha-Brahma Upanishad
- Pranagnihotra Upanishad
- Rudra-Hridaya Upanishad
- Sarasvati-Rahasya Upanishad
- Sariraka Upanishad
- Sarva-Sara Upanishad
- Skanda Upanishad
- Suka-Rahasya Upanishad
- Svetasvatara Upanishad
- Taittiriya Upanishad
- Tejo-Bindu Upanishad
- Varaha Upanishad
- Yoga-Kundalini Upanishad
- Yoga-Sikha Upanishad
- Yoga-Tattva Upanishad
SAMA-VEDA:
- Aruni Upanishad
- Avyakta Upanishad
- Chandogya Upanishad
- Darsana Upanishad
- Jabali Upanishad
- Kena Upanishad
- Kundika Upanishad
- Maha Upanishad
- Maitrayani Upanishad
- Maitreya Upanishad
- Rudraksha-Jabala Upanishad
- Sannyasa Upanishad
- Savitri Upanishad
- Vajrasuchika Upanishad
- Vasudeva Upanishad
- Yoga-Chudamani Upanishad
ATHARVA-VEDA:
- Annapurna Upanishad
- Atharvasikha Upanishad
- Atharvasiras Upanishad
- Atma Upanishad
- Bhasma-Jabala Upanishad
- Bhavana Upanishad
- Brihad-Jabala Upanishad
- Dattatreya Upanishad
- Devi Upanishad
- Ganapati Upanishad
- Garuda Upanishad
- Gopala-Tapaniya Upanishad
- Hayagriva Upanishad
- Krishna Upanishad
- Maha-Vakya Upanishad
- Mandukya Upanishad
- Mundaka Upanishad
- Narada-Parivrajaka Upanishad
- Nrisimha-Tapaniya Upanishad
- Para-Brahma Upanishad
- Paramahamsa-Parivrajaka Upanishad
- Pasupata-Brahmana Upanishad
- Prasna Upanishad
- Rama-Rahasya Upanishad
- Rama-Tapaniya Upanishad
- Sandilya Upanishad
- Sarabha Upanishad
- Sita Upanishad
- Surya Upanishad
- Tripadvibhuti-Mahanarayana Upanishad
- Tripura-Tapini Upanishad