The Ninety-Third Wisconsin Legislature convened from January 6, 1997, to January 4, 1999, in regular session, and also convened in an April 1998 special session.

[1] This was the third consecutive session in which partisan control of the Senate changed during the legislative term.

Senators representing even-numbered districts were newly elected for this session and were serving the first two years of a four-year term.

Senators representing odd-numbered districts were serving the third and fourth year of a four-year term, having been elected in the general election of November 8, 1994.

[1] The governor of Wisconsin during this entire term was Republican Tommy Thompson, of Juneau County, serving the second two years of his third four-year term, having won re-election in the 1994 Wisconsin gubernatorial election.