Pierson Olin Prioleau [PEER-sun PRAY-low] (born August 6, 1977) is an American former professional football safety.

Pierson served as the director of player development - defense under Justin Fuente at Virginia Tech from 2019 to 2021.

As a freshman, he appeared in 11 games on special teams and as a reserve cornerback and finished that season with 24 tackles (15 solo).

As a sophomore, he started every game at rover position, appeared in 809 total plays and finished with 71 tackles (41 solo).

In his first full season with the Bills in 2002, Prioleau started all 16 games at free safety for the first time in his NFL career.

[6] Prioleau is currently an assistant coach with the Virginia Tech football team, presiding over the Safeties unit.