The Mausoleum of the Atilii (Spanish: Mausoleo de los Atilios or El altar de los moros, meaning "Altar of the Moors") is a Roman mausoleum dating from 2nd or 3rd centuries AD, located in the municipal territory of Sádaba, Aragon, eastern Spain.
Nearby in the territory of Uncastillo, is a Roman villa. The mausoleum was located aside the Roman road connecting Zaragoza to Pamplona and Astorga. Only a wall, built in sandstone, has survived today. It bears the following inscriptions:
C(aio) ATILIO L(ucii) F(ilio), QVIRINA (tribu) GENIALI /
ATILIA FESTA AVO(lo) L(ucio) ATILIO C(aii) F(ilio) QVIRINA (tribu) FESTO ATILIA FESTA PATRI OPTIMO ATILIA L(ucii) F(ilia) FESTA ET SIBI
SE VIVA FECIT