刘开明（前1世纪？—6年），汉宣帝曾孙，东平思王刘宇之孙，东平炀王刘云的儿子。
刘云在汉哀帝时，犯了诅咒哀帝的嫌疑，建平元年（前4年），刘云被迫自杀，东平国除。元始元年（公元1年），汉平帝恢复东平国，以刘云的儿子刘开明为东平王。居摄元年（6年），刘开明去世，没有儿子。以兄弟严乡侯刘信的儿子刘匡为嗣。
家系
东平思王
刘宇 |
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东平炀王
刘云 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 栗乡顷侯
刘护 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 桑丘侯
刘顷 | | | | | | | | | | | | | | | | | | | | | | | | 桃乡顷侯
刘宣 | | 富阳侯
刘萌 | | 西阳顷侯
刘并 |
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严乡侯
刘信 | | 东平王
刘开明 | | 武平侯
刘璜 | | 陶乡侯
刘恢 | | 釐乡侯
刘褒 | | 昌乡侯
刘旦 | | 新乡侯
刘鲤 | | 春城侯
刘允 | | 栗乡侯
刘玄成 | | 金乡侯
刘不害 | | 平通侯
刘旦 | | 西安侯
刘汉 | | 湖乡侯
刘开 | | 重乡侯
刘少柏 | | 阳兴侯
刘寄生 | | 陵阳侯
刘嘉 | | 高乐侯
刘脩 | | 平邑侯
刘闵 | | 平纂侯
刘况 | | 合昌侯
刘辅 | | 伊乡侯
刘开 | | 就乡侯
刘不害 | | 胶乡侯
刘武 | | 宜乡侯
刘恢 | | 昌城侯
刘丰 | | 乐安侯
刘禹 | | 桃乡侯
刘立 | | 刘成都 | | 西阳侯
刘偃 |
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东平王
刘匡 |
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参考文献
| 王室头衔
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前任：
父东平炀王刘云
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东平王
任职期间:1年—6年
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继任：
侄东平王刘匡
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