| Shigeki Toyoshima | |
| Nationality: | Japanese |
| Sport: | Track and field |
| Event: | High jump |
| Pb: | 2.27 m (1995) |
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.[2] He twice competed at the IAAF World Indoor Championships (1997 and 1999).[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.[5]
| 1991 | Asian Championships | Kuala Lumpur, Malaysia | 2nd | High jump | 2.19 m | |
| 1997 | World Indoor Championships | Paris, France | 28th (q) | High jump | 2.15 m | |
| 1998 | Asian Games | Bangkok, Thailand | 3rd | High jump | 2.19 m | |
| 1999 | World Indoor Championships | Maebashi, Japan | — | High jump |