is a Japanese football player who plays for Nankatsu SC.
After the 2017 season, Sekiguchi seemed to have opted for retirement. With a surprise announcement, though, he joined back Vegalta Sendai in April 2018.
Sekiguchi made a full international debut for Japan on 8 October 2010 in a friendly against Argentina.
<div id="notes gs1"></div><sup>1</sup><small>Includes Relegation/Promotion Play-offs.</small>