Theodoric I, Margrave of Lusatia

Theodoric I
Margrave of Lusatia
Reign1156–1185
PredecessorConrad, Margrave of Meissen
SuccessorDedi III
Bornca. 1118
Died9 February 1185
Petersberg
Noble familyHouse of Wettin
Spouse(s)Dobroniega Ludgarda of Poland
FatherConrad, Margrave of Meissen
MotherLiutgard of Elchingen-Ravenstein

Theodoric I (German: Dietrich von Landsberg; c. 1130 – 9 February 1185), a member of the House of Wettin, was Margrave of Lusatia from 1156 until his death.