|Years of service||1983–present|
|Unit||Maratha Light Infantry|
|Commands held||Commandant Indian Military Academy|
Lieutenant General Harinder Singh PVSM, AVSM, VSM, YSM, SM is a serving General Officer in the Indian Army. He is currently serving as commandant of Indian Military Academy, assumed office in October 2020 succeeding Lt Gen Jaiveer Singh Negi. Previously, he was the Commander of XIV Corps (also known as Fire and Fury Corps) from October 2019 to October 2020, succeeding Lt Gen Yogesh Kumar Joshi.
He is an alumnus of the National Defence Academy. He completed his graduation from Defence Services Staff College. Singh was a senior research fellow at the Institute of Defence Studies and Analyses in India and the S. Rajaratnam School of International Studies in Singapore.
Harinder Singh has held many important positions in the Indian Army. He has been the Director General of Military Intelligence (DGMI), Director General of Military Operations (DGMO) and Director General of Operational Logistics and Strategic Movement at the Integrated HQ of MoD (Army). He is considered a Counter-insurgency expert.
Singh was commissioned into the Maratha Light Infantry in 1983. In October 2011, Singh headed a Rashtriya Rifles (RR) battalion in North Kashmir and had been a part of a United Nations peacekeeping mission in Congo, where he held the command of Nord Kivu Brigade. Singh has also held a staff appointment with the United Nations Verification and Enforcement Mission Headquarters (United Nations Angola Verification Mission III and MONUA) in Angola.
In October 2019, he was appointed as the Commander of Fire and Fury Corps. He represented the Indian Army at the India-China border meet during ongoing 2020 China–India skirmishes. In October 2020, he was appointed as the Commandant of the Indian Military Academy.
He had been a writer and has published several essays and papers. He has authored a book, titled 'Establishing India's Military Readiness Concerns and Strategy'.
During his career, he has been awarded the Param Vishisht Seva Medal in 2021,  Ati Vishisht Seva Medal in 2017 and Vishisht Seva Medal in 2016. He received the Yudh Seva Medal for Distinguished Service in 2005. He is also a recipient of the Sena Medal.
|Param Vishisht Seva Medal||Ati Vishisht Seva Medal|
|Yudh Seva Medal||Sena Medal||Vishisht Seva Medal||Special Service Medal|
|Siachen Glacier Medal||Operation Vijay Medal||Operation Parakram Medal||Sainya Seva Medal|
|High Altitude Service Medal||Videsh Seva Medal||50th Anniversary of Independence Medal||30 Years Long Service Medal|
|20 Years Long Service Medal||9 Years Long Service Medal||UNAVEM III Medal||United Nations Medal|
|Insignia||Rank||Component||Date of rank|
|Second Lieutenant||Indian Army||17 December 1983|
|Lieutenant||Indian Army||17 December 1985|
|Captain||Indian Army||17 December 1988|
|Major||Indian Army||17 December 1994|
|Lieutenant-Colonel||Indian Army||16 December 2004|
|Colonel||Indian Army||15 March 2006|
|Brigadier||Indian Army||1 April 2011 (substantive, with seniority from 5 September 2009)|
|Major General||Indian Army||1 June 2016 (substantive, with seniority from 13 January 2013)|
|Lieutenant-General||Indian Army||1 October 2018|