Conrad I (c. 1090 – 8 January 1152) was Duke of Zähringen from 1122 until his death and from 1127 also Rector of Burgundy.

Conrad I was a son of Duke Berthold II and his wife, Agnes of Rheinfelden.

[1] In 1120, Conrad I and his elder brother Berthold III granted city rights to Freiburg.

In 1122, Conrad I succeeded Berthold III as Duke of Zähringen.

Conrad I died in 1152 in Constance and was buried in the family vault in the Abbey of Saint Peter in the Black Forest.