Ole Tidemand (31 October 1710–9 January 1778) was a Norwegian theologian and priest.
Bishop Tidemand always had powerful friends in Copenhagen, the capital of the Kingdom of Denmark-Norway.
Tidemand was a student and colleague of Bishop Erik Pontoppidan and a leader in the pietist movement in Norway.
He was the son of a merchant Iver Tidemand and his wife Elisabeth Olufsdatter.
In 1732, he hastily married the young 13-year-old daughter of the priest with which he worked and soon after she gave birth to his first child.