洛里安沼泽（Lorian Swamp）是东非的湿地，位于肯尼亚的埃瓦索恩吉罗河地区，占地2,310平方公里，长196公里、宽25公里，海拔高度少于300米，每年平均降雨量180至250毫米，每年蒸发量高达2,600毫米，该沼泽面积不断缩少。

The Lorian Swamp is an area of wetlands on the Ewaso Ngiro river in Wajir South,Habaswein Kenya.

The swampy zone is 196 kilometres (122 mi) long and has a greatest width of 25 kilometres (16 mi), covering an area of 231,000 hectares (570,000 acres). Apart from the Ewaso Ngiro river, the swamp is also fed by wadis from the southwest and the northeast. The swamp is less than 300 metres (980 ft) above sea level.