CSS Sea Bird was a sidewheel steamer in the Confederate States Navy. Sea Bird was built at Keyport, New Jersey in 1854, was purchased by North Carolina at Norfolk, Virginia in 1861 and fitted for service with the Confederate States Navy. She was assigned to duty along the Virginia and North Carolina coasts with Lieutenant Patrick McCarrick, CSN, in command. Sea Bird served as the flagship of Confederate Flag Officer William F. Lynch's "mosquito fleet" during the hard-fought battles in defense of Roanoke Island on February 7–8, 1862, and Elizabeth City, North Carolina, on February 10 when she was rammed and sunk by USS Commodore Perry. Her casualties were two killed, four wounded, and the rest captured.