Bertha (c.1020/4 – after 1064/5) was a member of the Arduinici dynasty.
Bertha was the daughter of Ulric Manfred II of Turin and Bertha of Milan. Her older sister was Adelaide of Susa. Bertha possessed property in the southern part of the county of Asti, between the lower Belbo and Tanaro rivers.
She married Otto (or Teto) of Savona, margrave of western Liguria, c.1036. Otto was a member of the Aleramici dynasty. With Otto she had at least six children: