Burchard I (died 5 or 23 November 911) was the
Duke of Alamannia from 909 to his death and margrave of
Raetia Curiensis, as well as Count in the
Thurgau and
Baar. Born between 855 and 860, he was the son of Adalbert II, Count in the Thurgau. Burchard married
Liutgard of Saxony.