The James' sportive lemur (Lepilemur jamesorum), also known as the Manombo sportive lemur, is a species of sportive lemur endemic to Madagascar. It is one of the larger sportive lemurs with a total length of about 60 to 67 centimeters, of which 28 to 32 centimeters are tail. James' sportive lemur is found in southeastern Madagascar, living in primary and secondary lowland forests. Originally named Lepilemur jamesi, the name was found to be incorrectly formed and was corrected to Lepilemur jamesorum in 2009.