Joseph Conrad Chamberlin (December 23, 1898 – July 17, 1962) was an American arachnologist who studied mainly pseudoscorpions.

A native of Utah, he studied primarily at Stanford University while working most of his career in Oregon for the U.S. Department of Agriculture.

[2] In October 1918, Joseph was drafted into the United States Army, but fell ill with the Spanish flu pandemic and never served in World War I.

[2] After recovering, Chamberlin began college at the University of Utah when Congress allocated funding for veterans.

[2] Chamberlin began teaching after college at San Jose State University before earning a PhD from Stanford in 1929.