Morn may refer to:

• Bran Mak Morn, a character in Robert E. Howard pulp fiction
• Eris Morn, a character in Destiny video games
• Morn (Star Trek), a character in Star Trek: Deep Space Nine
• Morn, the main character in Vladimir Nabokov's verse play The Tragedy of Mister Morn
• Randal Morn, a character in the Dungeons & Dragons module The Return of Randal Morn

• Mandalselva (Mǫrn), a river in Norway
• Nicolas Morn (1932–1997), Luxembourgish cyclist
• Reed Morn (1898–1978), Estonian writer

• Morning
• Morne (disambiguation)