| Kazuhide Ishiyama | |
| Position: | Catcher / Manager |
| Birth Date: | 23 December 1950 |
| Birth Place: | Shimogyō-ku, Kyoto, Kyoto Prefecture |
| Bats: | Right |
| Throws: | Right |
| Debutleague: | NPB |
| Debutdate: | September 21 |
| Debutyear: | 1974 |
| Debutteam: | Kintetsu Buffaloes |
| Finalleague: | NPB |
| Finaldate: | October 21 |
| Finalyear: | 1983 |
| Finalteam: | Kintetsu Buffaloes |
| Debut2league: | KBO |
| Debut2year: | 1984 |
| Debut2team: | Samsung Lions |
| Final2league: | KBO |
| Final2year: | 1986 |
| Final2team: | Samsung Lions |
| Teams: | As player
As coach As manager |
| Song Il-soo | |
| Kanji: | 石山一秀 |
| Kana: | いしやま かずひで |
| Romaji: | Kazuhide Ishiyama |
| Hangul: | 송일수 |
| Hanja: | 宋一秀 |
| Rr: | Song Ilsu |
| Mr: | Song Ilsu |
| Ibox-Order: | ja, ko1, ko4, ko3 |
Kazuhide Ishiyama or Song Il-soo (born December 23, 1950) is the former manager of the Doosan Bears of the KBO League.