1. Isha Upanishad 至尊奧義書 (舊譯：依莎奧義書)
2. Kena Upanishad 因何奧義書
3. Katha Upanishad 卡塔奧義書
4. Prashna Upanishad 帕斯那奧義書
5. Mundaka Upanishad 蒙特卡奧義書
6. Mandukya Upanishad 曼都卡奧義書
7. Taittiriya Upanishad 泰蒂利耶奧義書 (舊譯：鷓鴣氏奧義書)
8. Aitareya Upanishad 艾陀利耶奧義書
9. Chandogya Upanishad 粲都加奧義書
10. Brihadaranyaka Upanishad 大森林奧義書 (舊譯：廣林奧義書)
11. Brahma Upanishad
12. Kaivalya Upanishad
13. Jabala Upanishad
14. Shvetashvatara Upanishad 室維陀奧義書
15. Hamsopanishad
16. Aruneya Upanishad
17. Garbhopanishad
18. Narayanopanishad
19. Paramahamsopanishad
20. Amritabindu Upanishad
21. Nada Bindu Upanishad
22. Atharvashiras Upanishad
23. Atharvashikha Upanishad
24. Maitrayaniya Upanishad
25. Kaushitaki Upanishad
26. Brihajjabala Upanishad
27. Nrisimha Tapaniya Upanishad
28. Kalagni Rudra Upanishad
29. Maitreya Upanishad
30. Subala Upanishad
31. Kshurika Upanishad
32. Mantrika Upanishad
33. Sarvasara Upanishad
34. Niralamba Upanishad
35. Shukarahasya Upanishad
36. Vajrasuchi Upanishad
37. Tejobindu Upanishad
38. Nada Bindu Upanishad
39. Dhyanabindu Upanishad
40. Brahmavidya Upanishad
41. Yogatattva Upanishad
42. Atmabodha Upanishad
43. Naradaparivrajaka Upanishad
44. Trishikhibrahmana Upanishad
45. Sita Upanishad
46. Yogachudamani Upanishad
47. Nirvana Upanishad
48. Mandala-brahmana Upanishad
49. Dakshinamurti Upanishad
50. Sharabha Upanishad
51. Skanda Upanishad
52. Mahanarayana Upanishad
53. Advayataraka Upanishad
54. Rama Rahasya Upanishad
55. Rama tapaniya Upanishad
56. Vasudeva Upanishad
57. Mudgala Upanishad
58. Shandilya Upanishad
59. Paingala Upanishad
60. Bhikshuka Upanishad
61. Maha Upanishad
62. Sariraka Upanishad
63. Yogashikha Upanishad
64. Turiyatitavadhuta Upanishad
65. Brihat-Sannyasa Upanishad
66. Paramahamsa Parivrajaka Upanishad
67. Malika Upanishad
68. Avyakta Upanishad
69. Ekakshara Upanishad
70. Annapurna Upanishad
71. Surya Upanishad
72. Akshi Upanishad
73. Adhyatma Upanishad
74. Kundika Upanishad
75. Savitri Upanishad
76. Atma Upanishad
77. Pashupatabrahma Upanishad
78. Parabrahma Upanishad
79. Avadhuta Upanishad
80. Tripuratapini Upanishad
81. Devi Upanishad
82. Tripura Upanishad
83. Kathashruti Upanishad
84. Bhavana Upanishad
85. Rudrahridaya Upanishad
86. Yoga-Kundalini Upanishad
87. Bhasma Upanishad
88. Rudraksha Upanishad
89. Ganapati Upanishad
90. Darshana Upanishad
91. Tarasara Upanishad
92. Mahavakya Upanishad
93. Pancabrahma Upanishad
94. Pranagnihotra Upanishad
95. Gopala Tapani Upanishad
96. Krishna Upanishad
97. Yajnavalkya Upanishad
98. Varaha Upanishad
99. Shatyayaniya Upanishad
100. Hayagriva Upanishad
101. Dattatreya Upanishad
102. Garuda Upanishad
103. Kali-Santarana Upanishad
104. Jabali Upanishad
105. Saubhagyalakshmi Upanishad
106. Sarasvati-rahasya Upanishad
107. Bahvricha Upanishad
108. Muktikā Upanishad

以下十一部奧義書被公認為最首要：

Īśa
Kena
Kaṭha
Praśna
Muṇḍaka
Māṇḍūkya
Taittirīya
Aitareya
Chāndogya
Bṛhad-āraṇyaka
Śvetāśvatara