James Owen "Jim" Sullivan (born December 26, 1967) is an American lawyer and Democratic politician from Milwaukee County, Wisconsin.

[1] Sullivan entered politics in 1996 by running unsuccessfully for a seat on the Milwaukee County Board.

In 2010, Republican State Representative Leah Vukmir (R-Wauwatosa) defeated Sullivan by 4.5 percent of the vote.

[2] Shortly after losing his Senate seat, Sullivan ran in the 2011 primary election to succeed Scott Walker as Milwaukee County Executive.

However, he placed third in the February primary, thus failing to advance to the April general election between the top two vote-getters.