Katya is a feminine given name. It is a very popular name in Russia. It is a Russian diminutive form of Yekaterina, which is a Russian form of Katherine. The name is sometimes used as an independent given name in the English-speaking world. In German, Dutch and Scandinavian languages it is spelled Katja. Katya may also refer to:
In the arts:
- Katya Chilly (born 1978), Ukrainian singer
- Katya Medvedeva (born 1937), Russian naïve painter
- Katya Paskaleva (1945–2002), Bulgarian actress
- Katya Reimann (born 1965), American writer of fantasy novels
- Katya Santos (born 1982), Filipina actress and model
- Katya Seguna (born 1997), Maltese actress and dancer
- Katya Farrugia (born 1992), Maltese pianist
In other fields:
- Katya Adler, British journalist
- Yekaterina Budanova (1916–1943), also known as Katya, female Soviet fighter ace in the Second World War
In fiction:
- Katya Derevko, on the ABC television series Alias
- Katya Kinski, on the Australian soap opera Neighbours
- Katya Nadanova, Bond girl in the game James Bond 007: Everything or Nothing
- Katya Orlova, heroine of John le Carré's novel The Russia House and the film adaptation
- Katya Vogt, the protagonist of Sandra Birdsell's historical novel The Russländer (aka Katya)
- Katya (Highlander), an Immortal in Highlander: The Series