中国最少的姓氏有：皮，卡，甘，寻 ，凡。
1.百家姓前100：
赵钱孙李 周吴郑王(zhào)(qián)(sūn)(lǐ)(zhōu)(wú) (zhèng)(wáng)
冯陈褚卫 蒋沈韩杨(féng)(chén)(chǔ)(wèi) (jiǎng)(shěn)(hán)(yáng)
朱秦尤许 何吕施张(zhū)(qín)(yóu)(xǔ)(hé)(lǚ)(shī)(zhāng)
孔曹严华 金魏陶姜(kǒng)(cáo)(yán)(huà)(jīn)(wèi)(táo)(jiāng)
戚谢邹喻 柏水窦章(qī)(xiè)(zōu)(yù)(bǎi)(shuǐ)(dòu)(zhāng)
云苏潘葛 奚范彭郎(yún)(sū)(pān)(gě)(xī)(fàn)(péng)(láng)
鲁韦昌马 苗凤花方(lǔ)(wéi)(chāng)(mǎ)(miáo)(fèng)(huā)(fāng)
俞任袁柳 酆鲍史唐(yú)(rén)(yuán)(liǔ)(fēng)(bào)(shǐ)(táng)
费廉岑薛 雷贺倪汤(fèi)(lián)(cén)(xuē)(léi)(hè)(ní)(tāng)
滕殷罗毕 郝邬安常(téng)(yīn)(luó)(bì)(hǎo)(wū)(ān)(cháng)
乐于时傅 皮卞齐康(yuè)(yú)(shí)(fù) (pí)(biàn)(qí)(kāng)
伍余元卜 顾孟平黄(wǔ)(yú)(yuán)(bǔ)(gù)(mèng)(píng)(huáng)
和穆萧尹 姚邵湛汪(hé)(mù)(xiāo)(yǐn)(yáo)(shào)(zhàn)(wāng)
2.复姓：
万俟司马 上官欧阳(mò)(qí)(sī)(mǎ) (shàng)(guān)(ōu)(yáng)
夏侯诸葛 闻人东方(xià)(hóu)(zhū)(gě)(wén)(rén)(dōng)(fāng)
赫连皇甫 尉迟公羊(hè)(lián)(huáng)(fǔ)(yù)(chí)(gōng)(yáng)
澹台公冶 宗政濮阳(tán)(tái)(gōng)(yě)(zōng)(zhèng)(pú)(yáng)
淳于单于 太叔申屠(chún)(yú)(chán)(yú)(tài)(shū)(shēn)(tú)
公孙仲孙 轩辕令狐(gōng)(sūn)(zhòng)(sūn)(xuān)(yuán)(líng)(hú)
鲜于闾丘 司徒司空(xiān)(yú)(lǘ)(qiū)(sī)(tú)(sī)(kōng)