Leo Stanton Rowe (September 17, 1871 – December 5, 1946) was the director general of the Pan-American Union from 1920 to 1946.^[1][2]

He was born on September 17, 1871, in McGregor, Iowa, to Louis Rowe and Catherine Raff. His family moved to Philadelphia and he attended high school and graduated in 1887. He attended the University of Pennsylvania and graduated with a Bachelor of Philosophy degree in 1890. He received his Ph.D. from the University of Halle in 1893. He received his J.D. from the University of Pennsylvania Law School in 1895.

He taught political science at the University of Pennsylvania from 1896 to 1917.

Rowe was elected to the American Philosophical Society in 1911 and the American Academy of Arts and Sciences in 1932.^[3][4]

He was United States Assistant Secretary of the Treasury from 1917 to 1919.^[5][6] He was the director general of the Pan-American Union from 1920 to 1946. He died on December 5, 1946, in Washington, D.C. when he was struck by a car when crossing a road.^[2][7]

A now-digitized transcript at the University of Pennsylvania shows that the suffragist, feminist, and women's rights activist, Alice Paul, was one of his students, in the class he offered on Municipal Government and Institutions in the United States and Latin America.^[8]

• The United States and Porto Rico: With Special Reference to the Problems Arising Out of Our Contact with the Spanish-American Civilization. Longmans, Green, and Company. 1904.
• Rowe, L. S. (1908). The Problems of City Government.
• Rowe, L. S. (1912). "The Mexican Revolution: Its Causes and Consequences". Political Science Quarterly. 27 (2): 281–297. doi:10.2307/2141244. ISSN 0032-3195.
• Rowe, L. S. (1921). The Federal System of the Argentine Republic.