Irish Bayou is a community along a body of water of the same name within the legal boundaries of the city of New Orleans, Louisiana, but separated from the rest of the city by undeveloped wetlands. It falls within a group of communities collectively known as Eastern New Orleans. It is located at latitude 30°08'30", longitude 89°51'50", with an average elevation of 1 meter. It is primarily a sport fishing community with few permanent residents.