Provided is a connector configured to sufficiently prevent foreign matter from entering from outside by controlling the surface pressure of the fillers. The connector (10) according to the present disclosure includes a pair of a first fitting object (16) and a second fitting object (30) capable of being fitted together; fillers (70) provided in the first fitting object (16) and the second fitting object (30), respectively; and a pressing portion provided, in a protruding manner, to an inner surface of at least one of the first fitting object (16) and the second fitting object (30). The pressing portion presses a corresponding one of the fillers toward the other one of the fillers provided in the other fitting object when the first fitting object (16) and the second fitting object (30) are fitted together.