*****'''O1b2a1a3''' (CTS10687) - [[日本]]<ref name = "FTDNA">[https://www.familytreedna.com/public/y-dna-haplotree/O Y-DNA Haplogroup Tree of Haplogroup O at FamilyTreeDNA]</ref>(東京<ref name = "YFull" />等)、韓国・朝鮮<ref name = "23mofang">[https://www.23mofang.com/ancestry/ytree/O-P49 Phylogenetic tree of Haplogroup O-P49 at 23mofang]</ref>、中国<ref name = "23mofang" />、モンゴル<ref name = "FTDNA" />で稀に見られる
******O1b2a1a3a (CTS1215)
****O1b2a1b (CTS562) - 韓国・朝鮮<ref name = "YFull" /><ref name = "FTDNA" />、[[日本]]、日本<ref name = "YFull" /><ref name = "FTDNA" />、中国<ref name = "YFull" /><ref name = "23mofang" />で稀に見られる
***O1b2a2 (Y72638) - 日本(広島<ref name = "YFull" />)、中国(吉林省<ref name = "YFull" />)