Abstract: The present invention is aimed at providing a lining element for a baseball glove and a baseball glove in which this lining element is used so that the bottom end portions of the thumb glove element and of the index finger glove element of the outer glove element cannot tear due to the impact when a ball is caught. Furthermore the present invention provides a lining element for a baseball glove, which is hand-shaped and comprises a front sheet to which finger parts are provided so as to extend from the bottom end portion, and a back sheet which is positioned on the back of the respective finger parts of the front sheet and forms the finger glove elements, wherein a fitting portion having through-holes for passing through a lace is provided between the thumb and index finger glove elements of said lining element.