John A. Johnson may refer to:
John Johnson (astronomer) (born 1977), Harvard professor John Albert Johnson (1861–1909), Minnesota governor John Alvin Johnson (1915–2005), U.S. lawyer and businessman John A. Johnson (Minnesota politician) (1883–1962), Minnesota state legislator John Anders Johnson (1832–1901), member of the Wisconsin State Assembly Jack Johnson (John Arthur Johnson) (1878–1946), American boxer
See also Johnny A. Johnson (born 1915), American Negro leagues baseball player Jonathan G. A. Johnson (born 1976), Island Governor of Saba John Johnson (disambiguation)