The invention discloses a refrigerator door body, a refrigerator and an end cover for the refrigerator door body. The refrigerator door body comprises a door shell, a liner and the end cover; the door shell, the liner and the end cover are mounted together to define a foaming cavity, wherein a sealing structure positioned in the foaming cavity is arranged at the end part of the end cover; the sealing structure is near the joint place of the door shell, the liner and the end cover; and the sealing structure is respectively contacted with the door shell and the liner to limit a leakage preventing cavity with the door shell, the liner and the end cover. The refrigerator door body has such advantages as low foam leakage reject ratio, low repair rate and convenience to assemble.