段部鲜卑
(?
343年)
段兰（此名系根据《晋书》所载，《魏书》则作段郁兰），生卒年不详，中国十六国时期段部鲜卑的首领。是段部鲜卑第一位首领段日陆眷之孙[1]，前任首领段辽之弟，段辽为首领时，
段兰数度率军攻击邻近的政权。
338年，段部鲜卑的辽西公国政权，在后赵及前燕的夹击下覆亡，
段兰逃亡。343年，被宇文部鲜卑首领宇文逸豆归抓获，送至后赵，但后赵天王石虎反而命
段兰率领从属的鲜卑部众五千人，回到辽西的故都令支（今中国河北省迁安市）屯驻。
段兰后来就在令支去世[2]，由其子段龛接管部众。
1^ 根据《魏书》记载，
段兰是段日陆眷之弟，然有认为二人生存年代相去甚远，疑该记载有误，今从《晋书》、《资治通鉴》之记载。
2^ 史籍并未记载
段兰去世之年，部分资料以350年段龛起兵称齐王为
段兰去世之年并不正确。
Section Lan (This name was based on "Book of Jin," contained, "Wei Shu" is to paragraphs Yu Lan), date of birth is unknown, the Chinese section of the Sixteen States Period Xianbei head of the Department. Is the first section of the Department of Xian Bei Lu dependents on the segment leader Sun [1], the younger brother of former chief Liao paragraph, section chief of Liaoning is when the blue section of his troops attacked several neighboring regimes.
1 ^ under the "Wei Shu" recorded on the mainland section of Portland is the section brother of the insured, however there are two of life's far from that, suspect that the record is wrong, this from the "Book of Jin," "Mirror" in records.