Emory Stephen Bogardus (born near Belvidere, Illinois, February 21, 1882 – August 21, 1973) was an American sociologist.

”He conducted pioneer studies of Mexican immigration [to the United States], labor, education and settlement patterns in the Southwest” in the early 20th century.

[4] In addition to his work in the field, Bogardus also engaged in many activities designed to strengthen the discipline of sociology through social organizations.

In 1920, he founded Alpha Kappa Delta, the international sociology honor society and was national president of that organization from 1924–1925, 1926–1927, and 1946–1947.

During his lengthy academic career, Bogardus authored 24 books and over 250 articles of varying lengths.