Grace Mann Brown (April 16, 1859; Pippin, Wisconsin,[1] – 1925; Denver, Colorado) was an American writer and spiritual leader.

[2] Grace Mann married Joseph Lyman Brown (1851 – November 10, 1921) from Denver, Colorado, on October 20, 1878.

Grace Mann Brown was active in the New Thought Movement, writing and lecturing extensively.

[32] This town in western Missouri was the site for decades of the Weltmer Institute of Suggestive Therapeutics, related to the use of magnetism in healing.

Brown also gave a lecture entitled "Treasures" at the Unity Building Dedication Convention on Sunday, August 19, 1906.