CONVEYANCE SEAT

A side frame has a connection structure enabling response to various welding methods during inter-member connection and improving post-welding connection strength in a conveyance seat that has the side frame including divided members. Each of a pair of side frames of a conveyance seat is configured from at least a first member and a second member divided in a longitudinal direction, the first member has a first connecting portion for connection to the second member, the second member has a second connecting portion for connection to the first member, and the first connecting portion and the second connecting portion respectively have flat surface portions extending in the longitudinal direction, and the first member and the second member are connected in a state where flat surfaces of the flat surface portion of the first connecting portion and the flat surface portion of the second connecting portion face and overlap each other.