The 23-year-old Wales international who plays for Tottenham Hotspur adds the writers' prize to the Professional Footballers' Association Player of the Year and Young Player of the Year awards he won last week.
Bale has scored 19 goals in 29 Premier League appearances this season. Bale has helped Spurs reach the quarter-finals of the Europa League and maintain a challenge for a top-four place in the Premier League.
It may be added that Manchester United's Robin van Persie, winner last year with Arsenal, was second, with Chelsea's Juan Mata third.