The league announced the coaches' all-ACC picks and individual award-winners Wednesday.
Clemson's Dabo Swinney was voted coach of the year.
Watson and Swinney have led No. 1 Clemson (13-0) to the ACC title and a berth in the College Football Playoff.
Pittsburgh receiver Tyler Boyd was the only player chosen to the first team on all 13 possible ballots. Coaches were not allowed to vote for anyone on their teams.