Krohn is the surname of several people: Lars Monrad-Krohn, a Norwegian engineer Kristin Krohn Devold, a Norwegian politician Michael Krohn , a Norwegian musician Leena Krohn, a Finnish author Irina Krohn, a Finnish member of Parliament Aino Krohn, a Finnish author better known as Aino Kallas Juan María Fernández y Krohn, Catholic priest, would-be assassin Kenneth Krohn, co-developer of the Krohn–Rhodes theory Ramble John Krohn, an American hip hop producer also known as RJD2 Tracy Krohn, owner of Krohn Racing/TRG August David Krohn, a Russian zoologist Julius Krohn, nephew of August, fennoman and folklorist Kaarle Krohn, Finnish folklorist, son of Julius Katherine Elizabeth Krohn, German-born American author Ilmari Krohn, Finnish composer and musicologist, son of Julius Felix Krohn, Finnish composer, son of Ilmari Jasmin Krohn , Swedish speed skater Jonathan Krohn, American journalist and writer Paysach Krohn, rabbi Michael Krohn-Dehli , Danish footballer Christine Krohn, a German Federal Court Justice Tim Krohn, recipient of the 1994 Conrad-Ferdinand-Meyer-Preis Rebecca Krohn, New York City Ballet soloist Dankert Krohn , Norwegian businessman active in Portugal with the Krohn Port wine company Michael Krohn Hans-Broder Krohn , European politician Henrik Krohn Norwegian poet, magazine editor and proponent for Nynorsk language Chester A. Krohn, American politician