Ransdell is a surname and may refer to:
Francis Xavier Ransdell (1861–1939), Louisiana judge 1900–1936
Joseph E. Ransdell (1858–1954), U.S. senator from Louisiana, author of the Ransdell Act creating the National Institutes of Health; brother of Francis Xavier Ransdell
Joseph Morton Ransdell (1931–2010), American philosopher
Sanford Ransdell (1781–1854), Indiana pioneer
