Alexander Ramsey (September 8, 1815-April 22, 1903) was an American politician. He was born near Harrisburg, Pennsylvania.

Ramsey was elected from Pennsylvania as a Whig to the US House of Representatives and served in the House from March 4, 1843 to March 3, 1847. He served as the first Territorial Governor of Minnesota June 1,1849 to May 15,1853 as a member of the Whig party. In 1855, he was the mayor of St. Paul, Minnesota. Ramsey was elected the second Governor of Minnesota after statehood and served from January 2, 1860 to July 10, 1863, but resigned the governorship to enter the United States Congress. He was elected in 1863 as a Republican to the United States Senate and was re-elected in 1869, serving until March 3, 1875.

{| align="center" border="1" |width="30%" align="center"|See
Wisconsin Territory |width="40%" align="center" rowspan="2"|Governor
Governors of Minnesota |width="30%" align="center"|Succeeded by:
Willis Arnold Gorman |- |align="center"|Preceded by:
Henry Hastings Sibley |align="center"|Succeeded by:
Henry Adoniram Swift |}