Rebecca Rios (born June 4, 1967) is an American Democratic politician who previously served in the Arizona State Senate representing District 27 from 2019 to 2023.

She also served in the Arizona House of Representatives, including as Minority Leader.

In 2010, she was defeated in a state senate election by Steve Smith.

[1] Rios also serves on the Board of Advisors of Let America Vote, an organization founded by former Missouri Secretary of State Jason Kander that aims to end voter suppression.

[4] Rios has spoken out against an effort led by Louie Gohmert to rename of Cesar Chavez Day to Border Control Day.