Sara M. Harvey (born March 11, 1976) is an American costume designer, and an author of fiction and nonfiction, most notably having written multiple articles for the Greenwood Encyclopedia of Clothing Through World History.

She is a regular speaker on the subjects of costume design at science-fiction conventions, and has won awards for her plus-sized creations.

[1] Harvey spent several years working for the costume department of the Renaissance Entertainment Corporation on events held in California and Wisconsin.

She also spent a year and three months working in the Creative Costume Department of Walt Disney World in Orlando (Lake Buena Vista), Florida.

[3] She makes frequent appearances at conventions, speaking about and demonstrating costuming techniques at conferences such as Arisia, MidSouthCon, Hypericon, and Archon.