Ira Loren Wiggins (1 January 1899 – 28 November 1987) was an American botanist, Curator of the Dudley Herbarium, and Director of the Natural History Museum (1940–1962) at Stanford University.

at Stanford, studying with LeRoy Abrams, and where he won a university fellowship in botany in 1927.

Wiggins made several botanical collecting trips to the Sonoran Desert, collaborating with Forrest Shreve in a description of the vegetation and flora of the North American Sonoran Desert including portions of Arizona, New Mexico, California, Sonora (Mexican State), Baja California Sur, and Baja California.

Starting in May 1944, Wiggins spent nine months in Ecuador as part of the Mision de Cinchona.

[3] He was appointed head of Johns Hopkins University's Arctic research laboratory in Point Barrow, Alaska in 1950.