Plectanocotyle lastovizae is a species of monogenean in the genus Plectanocotyle.
Plectanocotyle lastovizae is a parasite of the gills of the streaked gurnard Chelidonichthys lastoviza <small>(Bonnaterre, 1788)</small>. The type locality is off Bouharoun, near Alger, Algeria, in the Mediterranean Sea. Another locality is off Sète, France, Mediterranean Sea.
The species was named after its host, Chelidonichthys lastoviza.