is a Japanese sprinter, who specialized in the 400 metres. Abiko competed for the men's 4 × 400 m relay at the 2008 Summer Olympics in Beijing, along with his teammates Kenji Narisako, Dai Tamesue, and Yoshihiro Horigome. He ran on the starting leg of the second heat, with an individual-split time of 46.70 seconds. Abiko and his team finished the relay in sixth place for a seasonal best time of 3:04.18, failing to advance into the final.