William Carl "Bud" Cauley III (born March 16, 1990) is an American professional golfer.

After finishing his junior year at Alabama, Cauley qualified for the 2011 U.S. Open and decided to turn professional, foregoing his senior season.

[2] Cauley did not miss a cut in the first four PGA Tour events he played, which included a T4 at the Viking Classic.

Cauley made the cut at the 2011 U.S. Open, finishing T63 and guaranteeing a bypass to the second stage of Q School.

He finished the equivalent of 116th on the 2011 money list, joining Gary Hallberg, Scott Verplank, Phil Mickelson, Justin Leonard, Ryan Moore, and Tiger Woods as those who avoided Q school and went directly to the PGA Tour after college.

In 2012, Cauley's had four top-10 finishes; he was in the top 100 in the Official World Golf Ranking by the end of July of that year.