Kurtziella accinctus is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.
The length of the shell attains 10 mm.
The shell is slightly shouldered. It is longitudinally obliquely ribbed, very closely spirally striated. Its color is white, with sometimes an orange-brown band below the periphery.
This species occurs in the Caribbean Sea off Colombia. This species was described by Montagu by error as British.