| Nayoroiwa Shizuo | |
|---|---|
| 名寄岩 静男 | |
 | |
| Personal information | |
| Born | Shizuo Iwakabe September 27, 1914 Nayoro, Hokkaidō, Japan |
| Died | January 26, 1971 (aged 56) |
| Height | 1.73 m (5 ft 8 in) |
| Weight | 128 kg (282 lb) |
| Career | |
| Stable | Tatsunami |
| Record | 337-297-33 |
| Debut | May, 1932 |
| Highest rank | Ōzeki (January, 1943) |
| Retired | October, 1954 |
| Elder name | Kasugayama |
| Championships | 1 (Makushita) 1 (Sandanme) |
| Special Prizes | Fighting Spirit (2) |
| Gold Stars | 2 Musashiyama Chiyonoyama |
| * Up to date as of June 2020. | |
Nayoroiwa Shizuo (名寄岩静男, September 27, 1914 – January 26, 1971) was a Japanese sumo wrestler from Nayoro, Hokkaidō, Japan.