Malcolm Sim Mejin

{{Short description|Malaysian author}}

{{EngvarB|date=October 2014}}

{{Use dmy dates|date=July 2022}}

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| name = Malcolm Sim Mejin

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| birth_date = {{birth year and age|1986}}{{cite news|last=C |first=Irene |url=https://www.theborneopost.com/2021/09/19/mermaids-mystery-and-mayhem/ |title=Mermaids, mystery and mayhem|publisher=The Borneo Post |date=19 September 2021 |accessdate=4 July 2023}}

| birth_place = Kuching, Sarawak, Malaysia

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| nationality = Malaysian

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| alma_mater = Green Road National Secondary School{{cite news|url=https://www.theborneopost.com/2018/10/26/authors-visit-to-former-school-to-inspire-younger-generation-to-pursue-passion/ | title=Author's visit to former school to inspire younger generation to pursue passion| publisher=The Borneo Post | date=26 October 2018 | accessdate=4 July 2023}}

| occupation = Novelist

| years_active = 2010–present

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| notable_works = {{hlist|Diary of a Rich Kid}}

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| website = {{URL|https://www.malcolmmejin.com/}}

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Malcolm Mejin is a Malaysian author of contemporary adult novels and children's books. He is the author of the national bestselling novel series, Diary of a Rich Kid.{{cite news|author=Chester Chin |url=http://www.thestar.com.my/story.aspx/?file=%2f2012%2f9%2f4%2flifebookshelf%2f11671725 |title=Author Malcolm Mejin determined to pursue his passion |work=The Star |date=4 September 2012 |accessdate=28 March 2014}}{{cite news|last=Veera |first=Sushma |url=http://www.nst.com.my/life-times/live/well-lit-from-diary-to-novel-1.103669 |title=From diary to novel |publisher=NewStraitsTimes |date=7 July 2012 |accessdate=28 March 2014}}