Ivi Monteiro (born November 16, 1984, in Rio de Janeiro) is a butterfly and freestyle swimmer from Brazil.

[1] At the 2002 South American Games, in Belém, she won three gold medals in the 100-metre butterfly, 4×100-metre freestyle and 4×100-metre medley, and the bronze medal in the 200-metre butterfly.

[5] At the 2003 Pan American Games in Santo Domingo, Dominican Republic, Monteiro finished 4th in the 4×100-metre medley, and 5th in the 100-metre butterfly.

[6][7][8] On May 9, 2004, she broke the South American record in the 4×100-metre medley, with a time of 4:12.90, along with Fabíola Molina, Mariana Katsuno and Rebeca Gusmão.

[10] She ended her career in late 2013, at the Open tournament, held in Porto Alegre, Brazil.