Guardiola's City retained the Premier League title on Sunday, beating Klopp's Liverpool by a single point at the end of a thrilling title race.
Having also won the League Cup earlier in the campaign, Guardiola's side could complete a first ever domestic treble in English football when they face Watford in the FA Cup final at Wembley on Saturday.
Man City triumph 'toughest title' of his career: Guardiola
Guardiola topped the vote ahead of Jurgen Klopp, Tottenham manager Mauricio Pochettino, who has led Spurs to their first ever Champions League final, and Nuno Espirito Santo of Wolves, who finished seventh in their first season back in the top flight.
Sheffield United's Wilder wins LMA Manager of the Year award
Sheffield United manager Chris Wilder beat off competition from Manchester City's Pep Guardiola and Liverpool's Juergen Klopp to win the League Managers Association (LMA) manager of the year award on Tuesday.
Wilder, 51, led United to second place in the Championship behind Norwich City, whose German manager Daniel Farke was also on the shortlist, to earn promotion to the Premier League.
Sterling honoured with award for fighting racism
Former Manchester United manager Alex Ferguson and England coach Gareth Southgate presented the award on behalf of the LMA at an awards dinner.
Spurs' Karen Hills won the Women's Championship award after steering the London club into the top tier, while Arsenal's Joe Montemurro took the Super League prize after winning the title.
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