Rubaiyat may refer to:
- Ruba'iyat, a collection of Ruba'i (a form of Persian poetry). The best-known example of such a collection is the Rubaiyat of Omar Khayyam, to the extent that Rubaiyat is often used as a short name for this particular collection. There are also rubaiyats by Jalal ad-Din Muhammad Balkhi-Rumi. Among modern Iranian poets, the rubaiyat of Hossein Ghods-Nakhai have been translated into various languages.
- Rubayat, Iran, a village in South Khorasan Province
- Rubáiyát: Elektra's 40th Anniversary, a 1990 compilation album released by Elektra Records
- Rubaiyat Haque (born 1987), Bangladeshi cricketer