A survey of five species belonging to Oecobius Lucas, 1846 occurring in Iran is provided, including two species new to science: O. ilamensis sp. n. (♂) from Ilam Province, western Iran, and O. ferdowsii sp. n. (♂♀ from Khorasan-e Razavi Semnan provinces, Lorestan and Tehran north, northeastern and western Iran. Irania distribution records of all five species are mapped
