Mary Jodi Rell (born June 16, 1946) is a Republican politician and has been the 72nd Governor of the U.S. state of Connecticut since July 1, 2004. She had been the Lieutenant Governor of Connecticut until Governor John G. Rowland resigned during a corruption investigation. Rell is Connecticut's second female Governor, after Ella T. Grasso.

Born Mary Carolyn Reavis in Norfolk, Virginia, Rell attended Old Dominion University, but left in 1967 to marry Lou Rell, a US Navy pilot. She moved to Brookfield, Connecticut in 1969 and later attended, but did not graduate from, Western Connecticut State University. She never graduated from college. She received honorary law doctorates from the University of Hartford in 2001 and the University of New Haven in 2004.

Rell served as a Connecticut State Representative for the 107th District in Brookfield from 1985 until 1995. She became Lieutenant Governor after the 1994 election and won re-election in 1998 and 2002. Becoming governor in 2004 after John Rowland's resignation, Rell was elected to her own full term on November 7, 2006. She received approximately 710,000 votes, the highest total for any gubernatorial candidate in Connecticut history.