They’re not kosher animals but the horse features somewhat frequently in the Hebrew bible (in addition to the parts where it tells you not to eat them).
My Little Pony: The Movie (1986) features the voices of such Jewish actors as Madeline Kahn, Rhea Perlman and Tony Randall. Likewise, Twilight Sparkle has been voiced by Rebecca Shoichet in the My Little Pony: Friendship Is Magic series. Liev Schreiber voiced The Storm King.
Dr. Hooves/Time Turner was named “Doctor Whooves” by fans because he allegedly resembled David Tenant’s Doctor Who who I have argued elsewhere is also Jewish.
Someone even went to the extent of adding a My Little Pony next to the little boy in the infamous picture of the Warsaw Ghetto roundup during the Holocaust.