David J. "D.J." Bettencourt (born January 6, 1984) is a former legislator from Salem, New Hampshire, who was a member of the New Hampshire House of Representatives from 2004 to 2012, representing district Rockingham-4, and was majority leader from 2010 until his resignation in 2012. Bettencourt currently serves as New Hampshire's Deputy Insurance Commissioner following his service as policy director for New Hampshire Governor Chris Sununu.