Ariajasuru Hasegawa (Japanese: 長谷川 アーリアジャスール, Persian: آریا جسورو هاسگاوا, born 29 October 1988 in Tsurugashima, Saitama, Japan) is an Iranian-Japanese football player who is the son of an Iranian father and a Japanese mother.
Hasegawa attended Tsurugashima Daiichi Elementary school, Tsurugashima Junior High school and Yokohama Soei High school before being picked by the Yokohama F. Marinos of the J-League.
He was a member of the U-20 Japan national football team but failed to join the U-20 Japan squad to compete in the 2007 FIFA U-20 World Cup in Canada due to an injury. Hasegawa is listed as 6'1" (186 cm) and 154 pounds (70 kg).
He scored his first goal for FC Tokyo on his debut against Brisbane Roar in the 2012 AFC Champions League.