Naoki Ishihara

On 31 December 2008, Ishihara was announced at Omiya Ardija on a permanent transfer. On 16 December 2014, Ishihara was announced at Urawa Reds on a permanent transfer. On 23 April 2015, the club announced that he had suffered an ACL injury, and would be out for six months after surgery. Ishihara made his return to playing on 12 November 2015 in the Emperor's Cup against Machida Zelvia. In March 2016, he was suspended for two games due to violent conduct. On 29 December 2016, Ishihara was announced at Vegalta Sendai on a one year loan spell. On 30 December 2019, Ishihara was announced at fellow J1 club Shonan Bellmare on a permanent transfer. At the beginning of the 2020 season, he was appointed as a vice-captain along with Akito Fukuta and Mitsuki Saito. On 8 January 2022, the club announced that Ishihara would not be extending his contract for the 2022 season. On 20 March 2022, Ishihara announced his retirement, and announced he would become an ambassador for Shonan Bellmare.

In January 2023, Ishihara was appointed coach of Shonan Bellmare U15s.

Ishihara is noted for his good attitude to training and teamwork.

Club

Sanfrecce Hiroshima J1 League (2) : 2012, 2013 Japanese Super Cup (2) : 2013, 2014 Urawa Reds J.League Cup (1): 2016