William John Janklow (September 13, 1939 – January 12, 2012) was an American politician. He was a member of the Republican Party. He holds the record for the longest tenure as Governor of South Dakota: sixteen years in office. Janklow has the second longest gubernatorial tenure in post-Constitutional U.S. history at 5,851 days.
|27th and 30th Governor of South Dakota|
January 7, 1995 – January 3, 2003
|Preceded by||Walter Dale Miller|
|Succeeded by||Mike Rounds|
January 1, 1979 – January 6, 1987
|Preceded by||Harvey Wollman|
|Succeeded by||George S. Mickelson|
|Member of the U.S. House of Representatives|
from South Dakota's At-large district
January 3, 2003 – January 20, 2004
|Preceded by||John Thune|
|Succeeded by||Stephanie Herseth Sandlin|
|25th Attorney General of South Dakota|
January 3, 1975 – January 1, 1979
|Preceded by||Kermit Sande|
|Succeeded by||Mark Meierhenry|
William John Janklow
September 13, 1939
Chicago, Illinois, U.S.
|Died||January 12, 2012 (aged 72)|
Sioux Falls, South Dakota, U.S.
|Cause of death||Brain cancer|
|Resting place||Black Hills National Cemetery|
|Spouse(s)||Mary Dean Thom|
|Alma mater||University of South Dakota (BS, JD)|
|Branch/service||United States Marine Corps|
|Years of service||1956–1959|
- Ostermeier, Eric (April 10, 2013). "The Top 50 Longest-Serving Governors of All Time". Smart Politics.