Day of Atonement may refer to:

Religion

  • In Judaism:
  • Yom Kippur, the Jewish Day of Atonement
  • Yom Kippur Katan ("Minor Day of Atonement")
  • In Islam:
  • Day of Atonement (Nation of Islam), a national day established in 1995 by the Nation of Islam
  • In Christianity:
  • Investigative Judgment, the antitypical Day of Atonement according to the Seventh-day Adventist Church
  • Christian observances of Yom Kippur

Cultural

  • Day of Atonement (film)
  • Day of Atonement (play), a play by Samson Raphaelson, which became the 1927 film The Jazz Singer