John Francis "Jack" Henning (November 22, 1915 – June 4, 2009) was an American labor leader, civil servant, and a former U.S.

[2][3] John Francis Henning was born in San Francisco, California, in November 1915 to lower middle-class Irish American parents.

[3][4][6] He also successfully pushed for the restoration of the California Occupational Safety and Health Administration (CalOSHA) after it was abolished in 1988 by Governor George Deukmejian.

[2][6][7] In 1997, St. Mary's College of California created the Henning Institute to encourage and present scholarship on Catholic social thought.

[2] Henning and his wife, Betty, had seven children (John Jr., Brian, Patrick, Nancy, Daniel, Thomas, and Mary).