Seita Nonaka (野中 誠太, Nonaka Seita, born 25 October 2000) is a racing driver from Japan who currently competes in Super GT and Super Formula Lights.

Nonaka started racing in 2019, competing in F4 Japanese Championship with TOM'S Spirit and managed to claim 8th in his rookie season.

That season he clinches the title from Rin Arakawa & Iori Kimura in the last round at Fuji Speedway.

[5] Nonaka makes his Super GT GT300 debut with Team Tsuchiya with Takashi Matsui partnering him.

[10] Nonaka moves to recently 2023 GT300 champion team Saitama Green Brave as he replaces Kohta Kawaai.