Rubi may refer to:
- Ruby character, small, annotative characters that can be placed above or to the right of a Chinese character when writing logographic languages such as Chinese or Japanese to show the pronunciation
- Rubí, Barcelona
- Rubí, successful Mexican telenovela produced in 2004
- Rubí (1968 telenovela), Mexican telenovela
- Rubi (2010 telenovela), the Philippine adaptation of the Mexican telenovela, Rubí.
- Joan Francesc Ferrer Sicilia, commonly known as Rubi, Spanish footballer and manager.