Common keelback

Common keelback may refer to several species of colubrid snakes of the subfamily Natricinae:
 * Tropidonophis mairii — common keelback, Mair's keelback (Australia, New Guinea)
 * Fowlea flavipunctatus — yellow-spotted keelback (Southeast Asia)
 * Rhabdophis subminiatus — red-necked keelback (South and Southeast Asia)