Despite the United States exiting in the quarter-finals, DiMaria's remarkable scoring campaign was enough to secure the individual award, finishing five goals ahead of her closest challengers.
According to FIFA's final tournament statistics, DPR Korea's Yu Jong-hyang and Argentina's Mercedes Diz finished joint-second with seven goals each.
DPR Korea's Kim Won-sim and Ri Ui-gyong followed with six goals apiece.
DiMaria's remarkable scoring campaign
DiMaria established herself as the tournament's most prolific attacker, scoring six goals against Samoa and four against Kenya before adding one each against China PR and Spain.
Her 12-goal total secured the Golden Boot and underlined her outstanding individual performance in Morocco.
The United States forward also recorded an assist, finishing the competition with 12 goals and one assist.
DPR Korea dominate the scoring awards
DPR Korea enjoyed an impressive tournament in the individual scoring categories, with Yu Jong-hyang claiming the Silver Boot after scoring seven goals.
Her teammate Ri Ui-gyong finished with six goals to collect the Bronze Boot, while Kim Won-sim also registered six goals.
Argentina's Mercedes Diz matched Yu's seven-goal tally but finished behind her in the Golden Boot award standings.
Umejiaku leads Nigeria's historic campaign
Nigeria's Oluebube Umejiaku also finished among the tournament's standout attacking players after scoring four goals, including the decisive strike in the 2-1 final victory over Japan.
Her performances earned her the adidas Golden Ball as the competition's best player, while she was also named Player of the Match in the final.
Awawu Bashiru was another important contributor, scoring Nigeria's opening goal in the final as the Flamingos secured their first-ever FIFA U-17 Women's World Cup title.
Nigeria's triumph made them the first African nation to win the women's tournament, adding another historic achievement to the country's youth football record.
2026 FIFA U-17 Women's World Cup leading scorers
• 1. Maddie DiMaria (USA): 12 goals
• 2. Yu Jong-hyang (DPR Korea): 8 goals
• 3. Ri Ui-gyong (DPR Korea): 8 goals
DiMaria's 12-goal achievement headlines the individual scoring records from Morocco 2026, while Nigeria's historic championship success provided one of the tournament's biggest stories.