K.B.N. Singh

{{short description|Indian judge}}

{{Use dmy dates|date=August 2024}}

{{Use Indian English|date=August 2024}}

{{Infobox Indian politician

| name = K. B. N. Singh

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| birth_date = 1922

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| death_date = {{Death year and age|1999|1922}}

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| office = Chief Justice of Patna High Court

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| termstart = 19 July 1976

| termend = 12 March 1982

| predecessor = Shyam Nandan Prasad Singh

| successor = Surjit Singh Sandhawalia

| office2 = Governor of Bihar

| term2 = 31 January 1979 – 19 September 1979

| predecessor2 = Jagannath Kaushal

| successor2 = Akhlaqur Rahman Kidwai

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Krishna Ballabh Narayan Singh (1922–1999){{Cite book |last=Khan |first=Sadat Ali |url=https://books.google.com/books?id=UHBUEAAAQBAJ&dq=%22K.B.N.+Singh%22&pg=PA65 |title=Legal Luminaries Of Bihar |publisher=Blue Rose Publishers |year=2021 |isbn=978-93-5472-016-1 |pages=65–66 |language=en}} was the Chief Justice of Patna High Court. He was also the acting Governor of Bihar.{{cite web | url=http://patnahighcourt.gov.in/Judges_RET_CJ.aspx | title=LIST OF FORMER CHIEF JUSTICES Patna High court | publisher=Patna High Court | accessdate=4 January 2021}}{{cite web | url=https://governor.bih.nic.in/former-governors/ | title=List of Governors Bihar | publisher=Governor of Bihar | accessdate=4 January 2021}}{{cite book|author=G. C. Malhotra|title=Cabinet Responsibility to Legislature: Motions of Confidence and No-confidence in Lok Sabha and State Legislatures|url=https://books.google.com/books?id=DFqbAAAAMAAJ&pg=PA260|accessdate=4 January 2021|year=2004|publisher=Lok Sabha Secretariat|isbn=978-81-200-0400-9|pages=260–}}{{cite web | title=Forty Years Ago, February 4, 1981: Judges' Transfers | website=The Indian Express | date=4 Feb 2021 | url=https://indianexpress.com/article/opinion/editorials/forty-years-ago-february-4-1981-judges-transfers-7173488/ | access-date=20 Jul 2023}}{{cite book | author=Bihar (India). Public Relations Dept | title=Bihar Information | publisher=Director, Public Relations | issue=v. 27 | year=1979 | url=https://books.google.com/books?id=emdDAAAAYAAJ | language= | access-date=20 Jul 2023 | page=}}{{cite web | title=Forty Years Ago, April 20, 1979: Bihar CM Resigns | website=The Indian Express | date=20 Apr 2019 | url=https://indianexpress.com/article/opinion/editorials/forty-years-ago-april-20-1979-bihar-cm-resigns-5685100/ | access-date=20 Jul 2023}}