Julius Williams (born July 19, 1986) is an American former professional football defensive lineman.

He last played for the Las Vegas Outlaws of the Arena Football League (AFL).

Williams signed with the Jacksonville Jaguars in the spring of 2009 and was one of only two undrafted free agents to make the opening day roster.

On May 15, 2014, Williams was assigned to the San Jose SaberCats of the Arena Football League (AFL).

[1] On December 22, 2014, Williams was selected by the Las Vegas Outlaws with the 4th pick of the 2014 Expansion Draft.