To allow the structure capable of holding a tissue box on the rear face of a seatback to be used for another usage when no tissue box is held, in a vehicular seat.

In a vehicular seat 11, a body part 27, obtained by covering a seat sitter side of a seatback frame 31 constituting the skelton with a pad 51 for attachment, is mounted with a seatback cover 61 to form a seatback 21. The vehicular seat 11 is provided with a pocket 63 large enough to house a tissue box 91 at a rear face side opposite from the seat sitter side of the seatback cover 61, and the pocket 63 includes a first opening 65 through which the tissue box 91 and all can be inserted and extracted, and a second slit-shaped opening 67 through which tissue paper 93 can be extracted from the tissue box 91 housed in the pocket 63 below the first opening 65.