The Yogachudamani Upanishad (Sanskrit: योगचूडामणि उपनिषत्, IAST: Yogacūḍāmaṇi Upaniṣad) is one of the minor Upanishads of Hinduism composed in Sanskrit, and is called the "Crown Jewel of Yoga". Attached to the Samaveda, it is one of twenty Yoga Upanishads in the four Vedas. The text is notable for its discussions of Kundalini yoga.