Tedald (died 1012), of the House of Canossa, was the count of Brescia from 980, Modena, Ferrara, and Reggio from 981, and Mantua from 1006.

He used the title of margrave because of his vast comital holdings and their frontier nature.

His rise was largely due to his loyalty to the Ottonian Dynasty.

He opposed his fellow Margrave Arduin of Ivrea in his bid for the Italian crown in 1002.

Tedald married Willa daughter of Hubert of Spoleto, natural son of Hugh of Italy.