Watford boss Malky Mackay has won the Championship manager of the month award for March.
Brighton boss Gus Poyet was handed the League One prize after winning all eight of his side's fixtures.
And Dean Holdsworth was the recipient for League Two after leading Aldershot to seven games undefeated.
Mackay signed a new three-year contract at Vicarage Road four weeks ago after taking the cash-strapped club into the play-off mix.
Watford are seven points off the top six with seven games left to play.