Parioglossus multiradiatus n. sp. is described on the basis of 9 specimens collected from streams in the Seychelles Islands. It differs from other species belonging to the genus by a combination of characters including the absence of preopercular pore, the presence of posterior nasal pore, the presence of a dark lateral body stripe, the number of scales in lateral series (98-109), the number of soft rays in second dorsal (I, 16-17) and anal (I, 17-18) fins and the number of pectoral rays (18-19).