Mariette is a female Nexus-8 Replicant in the Blade Runner 2049 movie. She works as a prostitute, but she is also a member of the Replicant Freedom Movement led by Freysa. She is very attractive and she catches the interest of Officer K. One night Joi , K's hologram lover pays her to spend the night with K while Joi syncronized herself with Mariette's body. Making it appear as if K is making love to Joi. Later in the film she is present when Freysa and the other Replicants of the movemant inform K he is not Rachel's child but needs to find Deckard and his daughter, before the Wallace Corporation finds them.
She is portraid by Mackenzie Davis.