Paracerceis is a genus of isopod crustacean in the family Sphaeromatidae. It contains the following species:
Paracerceis caudata (Say, 1818)Paracerceis cohenae Kensley, 1984Paracerceis cordata (Richardson, 1899)Paracerceis dollfusi Lombardo, 1985Paracerceis edithae Boone, 1930Paracerceis gilliana (Richardson, 1899)Paracerceis glynni Kensley, 1984Paracerceis holdichi Kussakin & Malyutina, 1993Paracerceis nuttingi (Boone, 1921)Paracerceis richardsonae Lombardo, 1988Paracerceis sculpta (Holmes, 1904)Paracerceis spinulosa Espinosa-Perez & Hendrickx, 2002Paracerceis tomentosa Schultz & McCloskey, 1967