María Magdalena Rivera Iribarren (born 28 January 1958) is a Chilean political activist, politician and lawyer.

[2][3][4] When Rivera was 12 in 1970, she worked as an activist for Salvador Allende candidacy.

Then, in 1972 she became part of the Revolutionary Students Front (FER).

[5] During the 2020–21 period, she was proposed as candidate for the Constitutional Convention,[6] which was formalized in early 2021 when was reported that she will run for the 8th District.

[7] Thus, media like El Líbero ―rightist online newspaper― branded her as a «ultra» due to her trotskyist filiation[7][6] and IWM purposes for take «the power for the workers and the people, only one solution to finish the exploitation and capitalism».