Donald Kenneth Balfour II is a Republican politician. He was a member of the Georgia State Senate, representing the 9th District.

Balfour, a resident of Snellville and an executive with Waffle House, Inc.,^[1] was elected to the State Senate in 1992. He was re-elected multiple times without opposition. In 2002, after Republicans took control of the Georgia Senate for the first time, he was elected chairman of the Republican caucus^[2] and in 2003 he became chairman of the senate's Rules Committee,^[3] a position he held until January 2013.^[4] He served as President of the National Conference of State Legislatures from 2009 to 2010.^[5][6] He announced a campaign for the United States House of Representatives in Georgia's 7th congressional district in March 2010 (see United States House of Representatives elections in Georgia § District 7),^[7] but ended his campaign later that month.^[8] Balfour was defeated in a primary challenge in 2014.^[9] When he left office, he was the longest-serving Republican in the Georgia Senate.^[10]

Balfour was indicted by a Fulton County grand jury for eighteen counts of falsifying expense reports and theft by taking.^[11] In November 2013, pending his trial, he was suspended from his office by Governor Nathan Deal, and from his party positions by the Senate Republican Caucus.^[12] In December, Balfour was acquitted of all charges and his suspension was reversed.^[13][14]