مجنوں گورکھپوری اردو کے معروف شاعر ،نثر نگار اور نقاد ہیں۔ زیر تبصرہ مجنوں گورکھپوری کی تنقیدی مضامین کا مجموعہ " غزل سرا" ہے۔ جس میں مجنوں نے اردو کی غزلیہ شاعری اور غزل گوئی کا احاطہ کرتے اہم مضامین تحریر کیے ہیں۔ جیسے میر اور ان کی شاعری، میر اور ہم، خواجہ میر درد، کلام بیدار، غزلیات حالی، ریاض کی شاعری، اصغر گونڈوی، فانی بدایونی وغیرہ کے غزلیہ کلام پر تحقیقی و تنقیدی تجزیہ کیا ہے۔جس کے مطالعے سے اردو غزلیہ شاعری کے مختلف موضوعات ، اسلوب ، مختلف شعرا کاانداز بیاں ، غزل کے اسلوب میں عہد بہ عہد آئی تبدیلیوں کا پتہ چلتا ہے۔

Critic, poet, short story writer, and translator, Majnoon Gorakhpuri played a major role in creating ideological bases for the appreciation of Progressive Writers Movement. He was born on May 10, 1904 in a prominent family of Pulwa/Milki Jote in the Basti district of Uttar Pradesh. His father, Farooque Diwana was also a poet and professor of Mathematics at Aligarh Muslim University. Majnoon received his early education at village Manjhar. He got certain expertise in Arabic, Persian, and Hindi at an early age. After completing his studies of Dars-e-Nizamia, he acquired his intermediate and graduation degrees from Gorakhpur, Aligarh, and Allahabad. Subsequently, he got his M. A. (English) degree from Agra university in 1934 and then M. A. (Urdu) from Calcutta University. After completing his education, he started teaching at Aligarh Muslim University. Majnoon had a comprehensive understanding of Western literatures as well.  
Majnoon wrote on important literary issues of his times and established himself basically as a critic. Adab aur Zindagi, Dosh-o-Fardaa, Nukaat-e-Majnoon, Sher-o-Ghazal, Ghazal Sara, Ghalib: Shakhsh aur Shair, Schoppenheur, Taarikh-e-Jamaaliyaat, Pardesi ke Khutoot, Nuqoosh-o-Afkar are his critical works. He also published four collections of his stories called Khwaab-o-Khayaal, Saman Posh, Naqsh-e-Naheed, Majnoon ke Afsaney. He also translated the selected works of Oscar Wilde, Tolstoy, and Milton into Urdu. 
He died on June 04, 1988 in Karachi.