The present invention simplifies an attachment structure for a seat catch member. A seat catch structure for a saddle-type vehicle, the seat catch structure comprising: a seat that can open/close; a seat catch member (70) that holds the seat closed; and a rider grip member (50) that is attached to a vehicle body frame (10). The grip member (50) comprises: grip parts (51), (51) that are provided onthe left and right of the seat; and a connection part (52) that connects the left and right grip parts (51), (51) in the vehicle width direction. An insertion opening (58) into which an engagement part that is on the seat and that engages the seat catch member (70) is inserted from above is provided in an upper surface of the connection part (52). The seat catch member (70) is attached to a lowersurface (52a) of the connection part (52) below the connection part (52).