| Samurai | 士 / 侍 | Warrior, "who serve in close attendance to the nobility". |  |
| San | さ ん | polite suffix. Used between good friend, when attached to the first name. |  |
| Sempai | 先 輩 | senior student | |
| Sensei | 先 生 | born before, teacher, master | |
| Shidoin | 指 導 員 | Instructor |  |
| Shihan | 師 範 | senior teacher, master instructor | |