Rosa Delia Cota Montaño (born 23 April 1951) is a Mexican politician.
From 2000 to 2003 she served as a federal deputy of the LVIII Legislature of the Mexican Congress representing Baja California Sur as a member of the Labor Party.
[2] Cota Montaño served in the XIV Legislature of the Congress of Baja California Sur via proportional representation as the sole PRD deputy.
In May 2017, she threatened to leave the PRD amidst discussions between party president Alejandra Barrales with the National Action Party (PAN) to form a coalition in the 2018 elections.
[4] Cota Montaño officially left the PRD in October 2017, declaring herself an independent at a session of congress.