Glenn Washington Herrick (January 5, 1870 – February 12, 1965) was an American professor of entomology who worked at Cornell University.

He then returned to Cornell University in 1909 in the entomology department and worked there until his retirement in 1935.

Along with John Henry Comstock, he was the co-author for editions of Manual for the Study of Insects from 1930.

Herrick was a second cousin of Anna Botsford Comstock on her father's side, and he edited her autobiography which was posthumously published in 1953.

[3] Glenn W. Herrick died at his home in Ithaca, New York on February 12, 1965.