Janet Miriam Holland Taylor Caldwell (September 7, 1900–August 30, 1985) was an Anglo-American novelist and prolific author of popular fiction, also known by the pen names Marcus Holland and Max Reiner, and by her married name of J. Miriam Reback.

Taylor Caldwell was born in Manchester, England, into a family of Scottish background. Her family descended from the Scottish clan of MacGregor of which the Taylors are a subsidiary clan. In 1907 she emigrated to the United States with her parents and younger brother. In 1931 she graduated from the University at Buffalo. In collaboration with her second husband, Marcus Reback, she wrote several bestsellers, the first of which was Dynasty of Death.