Krysten Sinema
- Born
- 12 July 1976 (50 years)
- Place of birth
- Tucson, Arizona, USA
- Gender
- Female
Kyrsten Lea Sinema (born July 12, 1976) is an American politician and former social worker serving as the senior United States senator from Arizona, a seat she has held since 2019. A former member of the Democratic Party, Sinema became an independent in December 2022.
