Doulos (, , Linear B: do-e-ro) is a Greek masculine noun meaning "slave". Doulos may refer to: A slave (δοῦλος) in ancient Greece; see also Slavery in the New Testament and Slavery in antiquity. MV Doulos, a passenger ship Doulos SIL, a Unicode font produced by the SIL International Le Doulos, a 1962 film See also Doula (disambiguation), the feminine form