Rubaiyat or Ruba'iyat or Rubayat may refer to:
Literature Ruba'iyat, a collection of ruba'i, Persian-language poems having four lines (i.e. quatrains) Rubaiyat of Omar Khayyam or simply Rubaiyat, the title given by Edward Fitzgerald to his translations into English of ruba'i by Omar Khayyam "Reginald's Rubaiyat", a short story in the collection Reginald (1904) by Saki
Music Rubáiyát: Elektra's 40th Anniversary, a 1990 compilation album released by Elektra Records The Rubaiyat of Dorothy Ashby, a 1970 album by jazz harpist Dorothy Ashby
Other uses Rubayat, Iran, a village in South Khorasan Province