Note that the character's Chinese names in the simplified version are not always the same in the traditional version.
Page numbers corresponding to the traditional version start with a T, those corresponding to the simplified version start with an S.
人物
| Traditional | Simplified | Japanese | Early Taiwanese | Romanised Japanese | Role |
| 早乙女 亂馬 | 早乙女 乱马 | 早乙女 乱馬 | 姬 亂馬 | Saotome Ranma | Male protagonist |
| 早乙女 玄馬 | 早乙女 玄马 | 早乙女 玄馬 | 姬 玄毛 | Saotome Genma | Ranma's father |
| 天道 早雲 | 天道 早云 | 天道 早雲 | 錢 天道 | Tendo Soun | Head of the Tendo Dojo, friend of Genma |
| 天道 茜 | 天道 茜 | 天道 あかね | 錢 小茜 | Tendo Akane | Ranma's fiancée |
| 天道 靡 | 天道 美 | 天道 なびき | 錢 小靡 | Tendo Nabiki | Akane's elder sister |
| 天道 霞 | 天道 霞 | 天道 かすみ | 錢 小霞 | Tendo Kasumi | Akane's eldest sister |
| 九能 帯刀 | 九能 带刀 | 九能 帯刀 | 游帶刀 | Kuno Tatewaki | Ranma's and Akene's classmate; class head and Kendo "expert" |
| 九能 小太刀 | 九能 小太刀 | 九能 小太刀 | 游小刀 | Kuno Kodachi | ? |
| 久遠寺 右京 | 久远寺 右京 | 久遠寺 右京 | 燕 右京 | Kuonji Ukyo | ? |
| 響 良牙 | 响 良牙 | 響 良牙 | 向良牙 | Hibiki Ryoga | Ranma's rival |
| 小乃東風 | 小乃东风 | 小乃東风 | 許醫師 | Dr. Ono Tofu | ? |
| 珊璞 | 珊璞 | 珊璞 | 珊璞 | Shampoo | ? |
| 沐絲 | 沐丝 | 沐絲 | 賀 沐志 | Mousse | ? |
第1話: 亂馬來了
| 獨斷 | 独断 | dúduàn | to decide alone without consultation / arbitrary / dictatorial | T11 |
| 婚約 | 婚约 | hūnyuē | engagement / wedding contract | T11 |
| 繼承 | 继承 | jìchéng | to inherit / to carry on / to succeed | T11 |
| 武藝 | 武艺 | wǔyì | martial art / military skill | T17, S15 |
Vol 1
| 詛咒 | 诅咒 | zǔzhòu | to curse | T47 |
| 謎 | 谜 | mí | riddle | T48 |
| 悲劇 | 悲剧 | bēijù | tragedy / CL:出[chu1] | T49 |
| 裸體 | 裸体 | luǒtǐ | naked | T53 |
| 交往 | 交往 | jiāowǎng | to associate / to contact / association / contact | T74 |
| 糾纏 | 纠缠 | jiūchán | to be in a tangle / to nag | T80 |
| 非分 | 非分 | fēifèn | improper / presumptuous / assuming / overstepping one's bounds / also written 非份[fei1 fen4] | T83 |
| 粗魯 | 粗鲁 | cūlǔ | crude / coarse / rough | T83 |
| 稀罕 | 稀罕 | xīhan | rare / uncommon / rarity / to value as a rarity / to cherish / Taiwan pr. xi1 han3 | T83 |
| 変 | 変 | biàn | 变, to change / to transform / to alter / to rebel | T83 |
| 變態 | 变态 | biàntài | metamorphosis / abnormal / anomalous | T83 |
| 要不是 | 要不是 | yàobushì | if it were not for / but for | T86 |
| 宰 | 宰 | zǎi | to slaughter livestock / to govern or rule / to cheat customers / Imperial official in dynastic China | T86 |
| 喉嚨 | 喉咙 | hóulóng | throat / larynx | T87 |
| 狠 | 狠 | hěn | fierce / very | T88 |
| 罰站 | 罚站 | fázhàn | to be made to stand still as a punishment | T90 |
| 勝負 | 胜负 | shèngfù | victory or defeat / the outcome of a battle | T106 |
| 拖延 | 拖延 | tuōyán | to adjourn / to delay / to defer / adjournment / procrastination | T107 |
| 奪 | 夺 | duó | to seize / to take away forcibly / to wrest control of / to compete or strive for / to force one's way through / to leave out / to lose | T123 |
| 死心 | 死心 | sǐxīn | to give up / to admit failure / to drop the matter / to reconcile oneself to loss / to have no more illusions about | T137 |
| 決鬥 | 决斗 | juédòu | to duel / a duel / decisive struggle | T141 |
| 忠告 | 忠告 | zhōnggào | advice / advise | T143 |
| 良心 | 良心 | liángxīn | conscience | T143 |
| 姿色 | 姿色 | zīsè | good looks (of a woman) | T149 |
| 脫臼 | 脱臼 | tuōjiù | dislocation (of a joint) | T150 |
| 打傷 | 打伤 | dǎshāng | bruise / injure | T156 |
| 謹慎 | 谨慎 | jǐnshèn | cautious / prudent | T163 |
| 廉恥 | 廉耻 | liánchǐ | honor and shame / sense of honor | T163 |
| 窩囊 | 窝囊 | wōnang | annoyed / to feel vexed / pointless / asinine / good-for-nothing / stupid and cowardly | T169 |
| 廢踼 | 废踼 | fèitáng | T169 | |
| 瞧見 | 瞧见 | qiáojiàn | to see | T170 |