Mariah (マライア Maraia) is a tertiary antagonist featured in the third part of the JoJo's Bizarre Adventure series, Stardust Crusaders, specifically the "'Bastet' Mariah" story arc. She also appears as a tertiary character in the spin-off manga Crazy Diamond's Demonic Heartbreak.

Mariah is one of the Egypt 9 Glory Gods. She separates the group in Luxor, and attempts to take out Joseph Joestar and Muhammad Avdol using her Stand, Bastet, while Alessi confronts the rest of the heroes.