Pranas Čepėnas (April 4, 1899 in Veleikiai, Kovno Governorate – December 3, 1980 in Worcester, Massachusetts) was a Lithuanian historian, encyclopedist, journalist, and lexicographer. In 1926 Čepėnas earned a diploma in history from University of Lithuania. He worked as professor of history at Vilnius University. During World War II he emigrated to Germany and later to the U.S.
- Editor of interwar Lietuviškoji enciklopedija (Lithuanian Encyclopedia) and Dictionary of International Words.
- Naujųjų laikų Lietuvos istorija vol I and II (1988), English: History of Lithuania in Modern Times
- Editor of Lietuviškoji enciklopedija printed in Boston.