Harry Luman Russell (March 12, 1866 – April 11, 1954) was an American bacteriologist and educator.

[6] Returning to the U.S., he attended Johns Hopkins University, where he was awarded a Ph.D. in 1892 with a dissertation titled Bacteria in Their Relation to Vegetable Tissue.

[4] In 1931, he stepped down from his post as Dean when he was named director of the University of Wisconsin Alumni Research Foundation.

He served as the president of the Wisconsin tuberculosis sanitaria advisory board, chaired the American Banker's Association agriculture advisory committee, and president of the American Association of Land Grant Colleges and Universities.

Among his scientific investigations was a method for more thorough pasteurization of milk, the cold curing of cheese, and tuberculin testing of cows.