This cop’s a mensch on a mission.

The NYPD recently promoted the department’s highest-ever-ranking Orthodox Jew — a 9/11 hero who wears a yarmulke on the job — as the city fights a wave of antisemitic hate crime.

Richie “Yechiel” Taylor was bumped up to deputy chief of the Community Affairs Bureau, the department’s sixth highest post, in February and is now urging New Yorkers to show off their religious pride.

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“Don’t change who you are. Don’t take off your hijab, cross, turban or anything else you wear proudly that reflects your beliefs and way of life,” Taylor, 42, told The Post.

“There’s no need to hide who you are in this city,” he said, adding that applies to Jews wearing the star of David. “Be proud of who you are.”

The Torah-reading top cop, who has five daughters ages 2 to 20, said the NYPD is working tirelessly to stomp out hate crime.