A vehicle seat includes a slide rail, including a lower rail and an upper rail, and includes a slide lock mechanism. The slide lock mechanism includes a lock member and an operating member. The lock member includes a first urging member. The operating member includes a second urging member. A clearance is set in a region from an initial position to an operation position of the operating member. The operating member includes an input operating member and an output operating member. The clearance is provided between the input operating member and the output operating member. The initial position is set by maintaining the clearance between the input operating member and the output operating member using an urging force of the second urging member. The second urging member includes a first support portion, a second support portion, and a first engagement portion.