Mud Island (disambiguation)

Mud Island is a small peninsula, surrounded by the Mississippi River to the west and the Wolf River Harbor to the east, within the Memphis city limits.

Mud Island may also refer to:
 * Mud Islands, Australia
 * Mud Island (Ontario), an island of Ontario, Canada
 * Mud Island (Michigan), U.S.
 * Mud Island, site of Revolutionary War-era Fort Mifflin in Philadelphia, Pennsylvania, U.S.
 * Mud Island (Brazoria County, Texas), an island of Texas, U.S.
 * Former name of Ballybough area of Dublin, Ireland.