Shigeki Toyoshima (born March 5, 1971) is a Japanese former high jumper.

He was a bronze medallist in his event at the 1998 Asian Games, sharing the position with Malaysia's Loo Kum Zee with a jump of 2.19 m.[1] He cleared the same height at the 1991 Asian Athletics Championships to take the silver medal.

[3] At national level, he won once at the Japan Championships in Athletics, taking the title with a jump of 2.24 m in 1998.

[4] He also won at the National Sports Festival of Japan in 1994 with that same height.

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