マルティン・デルハイ（Martin Delhey）は、ドイツのインド学者・仏教学者。山東大学人文社会科学青島研究院・猶太教与跨宗教研究中心特聘教授。インド瑜伽行唯識学派の研究で世界的に知られる。

 略歴 

1998年にハンブルク大学で修士号を取得。ランベルト・シュミットハウゼン教授（Lambert Schmithausen）の指導の下、2002年に『瑜伽師地論』「三摩呬多地」（Samāhitā Bhūmiḥ）の研究により古典インド学の博士号を取得。その後、ハンブルク大学、ゲッティンゲン大学、龍谷大学などで研究員を歴任。2011年から2019年までハンブルク大学写本文化研究所の上級研究員。2019年秋より山東大学人文社会科学青島研究院・猶太教与跨宗教研究中心特聘教授に着任。サンスクリット写本学と中国学にも通じ、近年は玄奘三蔵の中国語翻訳の分析に取り組んでいる。

 著書 
Samāhitā Bhūmiḥ: Das Kapitel über die meditative Versenkung der Yogācārabhūmi. Wien: Arbeitskreis für Tibetische und Buddhistische Studien, Universität Wien, 2009.
An Annotated Bilingual Yogācārabhūmi Index: Two Chapters on Meditation in Sanskrit and Xuanzang’s Chinese Translation. Indian and Tibetan Studies 14. Hamburg: Department of Indian and Tibetan Studies, Universität Hamburg, 2023.
Xuanzang’s Rendition Technique: A Dictionary of Grammatical and Stylistic Devices Used in His Translations from Sanskrit. Indian and Tibetan Studies 15. Hamburg: Department of Indian and Tibetan Studies, Universität Hamburg, 2024.

 論文 
"Views on Suicide in Buddhism: Some Remarks." In: Buddhism and Violence. Ed. Michael Zimmermann with the assistance of Chiew Hui Ho and Philip Pierce. LIRI Seminar Proceedings Series 2. Lumbini: Lumbini International Research Institute, 2006, 25–63.
"Asamāhitā Bhūmiḥ: Zwei Kapitel der Yogācārabhūmi über den von meditativer Versenkung freien Zustand." In: Jaina-Itihāsa-Ratna: Festschrift für Gustav Roth zum 90. Geburtstag. Ed. Ute Hüsken, Petra Kieffer-Pülz, and Anne Peters. Indica et Tibetica 47. Marburg: Indica et Tibetica Verlag, 2006, 127–152.
"Vakkali: A New Interpretation of His Suicide.” Journal of the International College for Postgraduate Buddhist Studies 13 : 67–108. 
"The Textual Sources of the Mañjuśriyamūlakalpa (Mañjuśrīmūlakalpa): With Special Reference to Its Early Nepalese Witness NGMPP A 39/4." Journal of the Nepal Research Centre 14 : 55–76.
"The Yogācārabhūmi Corpus: Sources, Editions, Translations and Reference Works.” In: The Foundation for Yoga Practitioners: The Buddhist Yogācārabhūmi Treatise and Its Adaptation in India, East Asia, and Tibet. Ed. Ulrich Timme Kragh. Harvard Oriental Series 75. Cambridge, Massachusetts: Harvard University Press, 2013, 498–561.
"Material Analysis of Sanskrit Palm-Leaf Manuscripts Preserved in Nepal." Journal of the International Association of Buddhist Studies 36/37 (2013/2014 [published 2015]): 119–152. E. Kindzorra, O. Hahn, I. Rabinとの共著。
"Recovering Lost Writing and Beyond: Multispectral Imaging for Text-related and Codicological Studies of Tibetan Paper and Sanskrit Palm-Leaf Manuscripts." Journal of the International Association of Buddhist Studies 36/37 (2013/2014 [published 2015]): 153–192. O. Almogi, C. MacDonald, B. Pouvkovaとの共著。
"The Library at the East Indian Buddhist Monastery of Vikramaśīla: an Attempt to Identify Its Himalayan Remains." manuscript cultures 8 (2015 [published 2016]): 3–24.
"From Sanskrit to Chinese and Back Again: Remarks on Xuanzang’s Translations of the Yogācārabhūmi and Closely Related Philosophical Texts." In: Cross-Cultural Transmission of Buddhist Texts: Theory and Practices of Translation. Ed. Dorji Wangchuk, Hamburg: Department of Indian and Tibetan Studies, Universität Hamburg, 2016, 51–79.
"The Indian Yogācāra Master Sthiramati and His Views on the ālayavijñāna Concept." International Journal of Buddhist Thought and Culture (Academy of Buddhist Studies, Dongguk University) 26.2 : 11–35.
"The ‘Vanaratna Codex’: A Rare Document of Buddhist Text Transmission (London, Royal Asiatic Society, Hodgson MS 35)." In: Education Materialized: Reconstructing Teaching and Learning Contexts through Manuscripts. Eds. S. Brinkmann, G. Ciotti, S. Valente, and E. Wilden. Studies in Manuscript Cultures. Berlin/Boston: de Gruyter, 379–398.
"The Gotra Theory in the Madhyāntavibhāgaṭīkā." Journal of Indian Philosophy 50: 47–64.
〈印度瑜伽行派的种性(gotra)论〉. In: 《论文集: 东方唯识学研究专题》(Proceedings of the conference 第六届东方唯识学专业委员会年会). Hangzhou, 2022, 248–253.
"On the Authoritativeness of the Yogācārabhūmi as an Abhidharma Work." In: Evolution of Scriptures, Formation of Canons: The Buddhist Case. Ed. Orna Almogi. Indian and Tibetan Studies Series 13. Hamburg: Department of Indian and Tibetan Studies, Universität Hamburg, 43–62.
"Was man sieht und was da ist: Zur Unsichtbarkeit und Nichtzweiheit im klassischen indischen Yogācāra-Buddhismus." In: Hôrin: Vergleichende Studien zur japanischen Kultur 22 (2022; appeared 2023): 68–81.
「サンスクリット語から中国語へ、そして再びサンスクリット語へ: Yogācārabhūmiおよびその関連論書の玄奘訳に関する所見」『駒澤大學佛敎學部論集』54 : 83–117. "From Sanskrit to Chinese and Back Again" の日本語訳。

 書評 
"Review of “Charles Willemen et al. Sarvāstivāda Buddhist Scholasticism." Handbuch der Orientalistik, zweite Abteilung: Indien; elfter Band. Leiden etc. 1998.” Orientalistische Literaturzeitung 94.4–5: : 560–563. 
"Review of Sung-Doo Ahan. Die Lehre von den Kleśas in der Yogācārabhūmi. Alt- und Neu-Indische Studien 55. Stuttgart 2003." Zeitschrift der Deutschen Morgenländischen Gesellschaft 157.2 : 503–507.
"Review of “Hahn, Michael, Dietz, Siglinde: Wege zur rechten Erkenntnis – Buddhistische Lehrbriefe. Frankfurt/M: Insel Verlag (Verlag der Weltreligionen) 2008." Orientalistische Literaturzeitung 112.4-5 : 439–442.
「書評: Charles Willemen, Bart Dessein, and Collett Cox: Sarvāstivāda Buddhist Scholasticism」『論叢アジアの文化と思想』29 : 1–8. 1999年の書評の日本語訳。
「書評: Sung-Doo Ahn: Die Lehre von den Kleśas in der Yogācārabhūmi. Alt- und Neu-Indische Studien 55. Stuttgart 2003」『論叢アジアの文化と思想』32 : 1–11. 2007年の書評の日本語訳。

 事典の執筆 
"Yogācārabhūmi." In: Oxford Bibliographies in Buddhism. Ed. by Richard Payne. New York: Oxford University Press. 
"Asaṅga / Maitreya(nātha)." In: Brill’s Encyclopedia of Buddhism, vol. 2. Ed. by Jonathan A. Silk et alii. Leiden, Boston: Brill, 2019, 73–80.