Arthur M. Beaupre (July 29, 1853 – September 13, 1919) was an American diplomat. He served in several ambassadorships, including Colombia, Argentina, the Netherlands, Luxembourg, and Cuba.
Arthur Matthias Beaupre was born in Oswego, Illinois on July 29, 1853. His family moved to DeKalb County when he was a boy, and at age 16 Beaupre started work as a printer for the Dekalb County News newspaper and advanced through several positions to become a reporter.
In 1874 Beaupre relocated to Aurora, Illinois and studied law and attained admission to the bar. A Republican, shortly afterwards he was elected Clerk of the City Court. He won election to a second term, but before it began he resigned to accept the position of Deputy Clerk for Kane County. In 1886 Beaupre was elected Kane County Clerk, and in 1890 he was reelected to a second four-year term.
After leaving the Clerk's office, in 1897 Beaupre embarked on a career as a diplomat when he was appointed U.S. Consul in Guatemala City, Guatemala, where he served until 1899. In 1900 he was appointed Consul in Bogota, Colombia.
Beaupre was appointed Minister to Colombia in 1903 and he served until 1904, when he was named Minister to Argentina.
From 1908 to 1911 Beaupre served as both Minister to the Netherlands and Minister to Luxembourg. In 1911 he was appointed as Minister to Cuba, where he served until retiring in 1913.
Beaupre died in Chicago, Illinois on September 13, 1919, two days after suffering a stroke. He is buried in Graceland Cemetery.