Daiki Hashioka age is 26. He was born into a family where sports played a huge part in everyone’s life. His father, Toshiyuki Hashioka, is a former pole vaulter who competed in the 1993 World Championships for Japan. Naomi Hashioka, his mother, was a national-level competitor in hurdles and triple jumps. His older brother, Kazuki Hashioka, is a defender (right-back) who is currently playing for Aries FC Tokyo.
His uncle, Daisuke Watanabe, is a former long jumper who participated in the 2000 Olympics. Also, his cousin, Yuki Hashioka, is an athlete who participated in multiple Japanese championships; he is an Olympic-level long jumper. As he grew up in an athletic family of stars, Hashioka's inspirations and passion have been very clear from his early life.
There is no publicly available information about Daiki Hashioka girlfriend. He is either single or keeping his love life very private. Some rumours about his girlfriend have caught people's attention on TikTok. Still, there is no confirmed source about his partner, and even on social media, his posts are related to football and his time alone and with friends.