Geisa Aparecida Muniz Coutinho (born 1 June 1980) is a Brazilian track and field athlete who competes in the 400 metres sprint.

She eventually focused solely on the 400 m and moved to Rio de Janeiro in order to train with the Vasco da Gama 16 sports club.

[6] The following year she won the silver medal behind Maria Laura Almirão at the 2005 South American Championships in Athletics and joined her compatriot to win the relay gold.

[7] More relay success came at the 2005 World Championships in Athletics, as a team of Almirão, Coutinho, Josiane Tito and Lucimar Teodoro set a South American record time of 3:26.82 minutes in the heats, although they were disqualified in the final.

[1] She also re-established herself at continental level, taking the 400 m bronze medal and relay gold at the 2011 South American Championships in Athletics.