Messi was magical again as a rampant Inter Miami crushed the New York Red Bulls 6-2
The Portuguese, now with Real Madrid, was given the accolade after leading Inter Milan to a treble of Champions League, Serie A and Italian Cup last season.
He won the poll ahead of two Spaniards, Vicente del Bosque, who led Spain to last year’s World Cup, and Barcelona coach Pep Guardiola.
Former Chelsea coach Mourinho, 47, has won the Champions League with two different clubs having previously led Porto to the title.
The new award was organised by FIFA in conjunction with France Football magazine.
Messi was magical again as a rampant Inter Miami crushed the New York Red Bulls 6-2
The attacking midfielder joins a roll call of famous names including Stanley Matthews, Bobby Charlton, George Best and Kenny Dalglish
PSG had more possession throughout Wednesday's game but could not take their chances
The winners of the tie will face either Bayern Munich or Real Madrid, who drew 2-2 in Tuesday's first leg in Munich
Al Ain, which beat Saudi giants Al Hilal and Al Nassr, will will face Yokohama F Marinos in the final
The English striker scored his 43rd goal in 43 games for the German side this season
PSG were dominant in a 2-0 win over Dortmund at home to open their Champions League campaign, but were held to a 1-1 draw in the return leg
Ronaldo, 47, agreed with BPW Sports company to sell the 90% stake he acquired in 2021 for $70 million