John A. Canavan

{{Infobox Politician (general)

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| name = John A. Canavan

| birth_date = {{birth date|1896|8|3}}{{Cite web|url=https://books.google.com/books?id=a0ywAAAAIAAJ&q=%22canavan%2C+john%22|title = Who's who in Law|last1 = Schwarz|first1 = Julius Caesar|year = 1937}}

| birth_place = Boston, Massachusetts

| death_date = {{Death date and age|1963|10|2|1896|8|3}}{{cite web|url=https://pqasb.pqarchiver.com/boston/access/1908811612.html?FMT=ABS&FMTS=ABS:AI&type=historic&date=Oct+03%2C+1963&author=&pub=Boston+Globe+(1960-1979)&desc=Obituaries&pqatl=google|archive-url=https://archive.today/20130131162138/http://pqasb.pqarchiver.com/boston/access/1908811612.html?FMT=ABS&FMTS=ABS:AI&type=historic&date=Oct+03,+1963&author=&pub=Boston+Globe+(1960-1979)&desc=Obituaries&pqatl=google|url-status=dead|archive-date=January 31, 2013|title=Obituaries|publisher=pqasb.pqarchiver.com|accessdate=22 February 2015}}

| death_place = Winthrop, Massachusetts

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| nationality = American

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| occupation = Attorney

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| title1 = United States Attorney for the District of Massachusetts

| term_start1 = 1938

| term_end1 = 1939

| predecessor1 = Francis Ford

| successor1 = Edmund J. Brandon

|}}

John Aloysius Canavan (August 3, 1896 – October 2, 1963) was an American attorney who served as the United States Attorney for the District of Massachusetts from 1938 to 1939.{{cite web|title=Canavan, John A.|url=http://politicalgraveyard.com/bio/campbell-cannington.html#296.42.40|work=PoliticalGraveyard.com|publisher=The Political Graveyard|accessdate=6 September 2011}}