Udayraj Khanal

{{short description|Nepali physicist}}

{{Use dmy dates|date=October 2018}}

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| native_name = उदयराज खनाल

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| image = Udayraj Khanal.jpg

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| birth_date = {{birth date|df=yes|1955|01|14}}

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| nationality = Nepali

| fields = {{plainlist|

• Cosmology
• Science communication}}

| workplaces = Tribhuvan University

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| education = Physics (Ph.D.)

| alma_mater = {{plainlist|

• Delhi University (Ph.D., M.Phil.)
• Florida Atlantic University (B.Sc.)}}

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}}

Udayaraj Khanal ({{langx|ne|उदयराज खनाल}}, born 14 January 1955) is a Nepali physicist specializing in cosmology.{{cite web|last1=Baniya|first1=Rajkumar|title=भेट्रान भौतिकशास्त्री|url=http://nepal.ekantipur.com/news/2016-11-21/20161121134637.html|website=Nepal Saptahik|accessdate=25 December 2016|language=Nepali|date=21 November 2016}}{{cite web|title=Our PhD Students|url=http://www.cdp.edu.np/index.php/2014-11-21-04-08-36/our-phd-students|website=tucdp.edu.np|publisher=Central Department of Physics, TU|accessdate=11 August 2016}} Having worked in the Central Department of Physics for 34 years, he is now an emeritus professor at Tribhuvan University. As a working professor, he taught mathematical physics, General relativity and cosmology to graduate students. Moreover, he was also actively engaged in the development of theoretical physics curriculum offered by the department.

Khanal is also a prominent science writer in Nepal, having written articles for Kantipur,{{cite news|last1=Khanal|first1=Udayaraj|title=गल्तीबाट सिक्नु विज्ञान|url=http://kantipur.ekantipur.com/news/2014-02-20/384502.html|accessdate=1 January 2017|work=Kantipur|date=20 February 2014|language=Nepali}} Annapurna Post, and Himal Khabarpatrika. His articles tend to communicate science and its importance to a wider general Nepali populace. He has been the author or co-author of over 15 scientific publications.