Billy Parker (gridiron football)

Billy Parker
No. 17 – Texas Southern Tigers
Title	Defensive coordinator & defensive backs coach
Personal information
Born	May 17, 1981; Mechanicsville, Virginia, U.S.
Listed height	6 ft 2 in (1.88 m)
Listed weight	215 lb (98 kg)
Career information
High school	Mechanicsville (VA) Atlee
College	William & Mary
NFL draft	2004: undrafted
Career history
Playing
	Cleveland Browns (2004); New York Dragons (2005); Miami Dolphins (2005); Carolina Panthers (2005–2006); New York Dragons (2007–2008); Montreal Alouettes (2009–2016);
	* Offseason and/or practice squad member only
Coaching
	Richmond Revolution (2010); Assistant secondary coach; Richmond Raiders (2011); Defensive backs coach & special teams coordinator; Montreal Alouettes (2017–2018); Defensive assistant; South Carolina State (2019); Tight ends coach; Tampa Bay Vipers (2020); Analyst; VMI (2020); Running backs coach; VMI (2021-2022); Assistant head coach & cornerbacks coach; William & Mary (2023); Safeties & nickels coach; Texas Southern (2024–present); Defensive coordinator & defensive backs coach;
Awards and highlights
	2× Grey Cup champion (2009, 2010); 2× First-team All-Arena Team (2005, 2008); AFL All-Rookie (2005);
	Stats at CFL.ca (archive)
	Stats at ArenaFan.com

William Parker V (born May 17, 1981) is an American former professional football linebacker. He serves as the defensive coordinator and defensive backs coach at Texas Southern, positions he has held since 2024. He played college football at William & Mary, and played professionally for the Cleveland Browns, Carolina Panthers, New York Dragons and Montreal Alouettes. He was a defensive assistant coach for the Montreal Alouettes of the Canadian Football League (CFL) from 2017 to 2018, and most recently served as an analyst for the Tampa Bay Vipers of the XFL.