Kimberly Ann Guadagno (born as Kimberly Ann McFadden on April 13, 1959) is an American attorney, politician, former prosecutor and sheriff. She was also the Lieutenant Governor of the U.S. State of New Jersey from 2010 through 2018.

Before Lieutenant Governor, Guadagno was also the Secretary of State in New Jersey.

She was the 2009 and 2013 running mate for New Jersey Governor Chris Christie.

Guadagno was born in Waterloo, Iowa. She moved to New Jersey around 1991.

Guadagno was a candidate for Governor of New Jersey in the 2017 gubernatorial election, but lost to Democrat Phil Murphy.