Trou Poisson is a village in the commune of Iracoubo in French Guiana.
The village is near abandoned, and has a cemetery for priests deported during the French Revolution.
The polling office worker estimated the actual population at 5 or 6 people.
In 2014, a zone of 2,403 hectares was designated as a ZNIEFF, an important ecological area.
The Trou Poisson savannah is considered an important feeding and resting area for birds.