To provide a rocker arm assembly, reduced in time and cost for assembling a rocker arm.

This rocker arm assembly 55 includes a clip member 75 provided outside a pair of side walls of the rocker arm and having a pair of separated clip side walls 77, 79. A connecting part 81 connects clip side walls 77, 79 to each other to restrain the movement in the axial direction of a fitting shaft and a pin member 67. The side walls 77, 79 have two holding parts engaged with adjacent side walls 59, 61 of the rocker arm, extended between the side walls 59, 61, and respectively including the terminal parts adjacent to the pin member 67 so that the pin member 67 limits the rocker arm's turning on the axis of the pin member 67.