Lloyd L. Fields is an American politician who was Oklahoma Commissioner of Labor from 2007 to 2011. A Democrat, he was elected in 2006, receiving 456,373 votes, a narrow margin of just 50.15%. He defeated 12-year incumbent Republican Brenda Reneau, who received 49.85%, or 453,645 votes, after having lost to her in the 2002 election.Fields was defeated for reelection to a second term by Republican Mark Costello in the 2010 election.