Abstract: An adjustable chair arm attachable to a chair body. The arm is capable of being moved horizontally, toward and away from the chair seat, and vertically with respect to the seat. The adjustable arm includes an arm frame assembly having a generally vertical section. The adjustable arm also includes an arm body having an upper housing and a sleeve portion which is slidably mounted on the generally vertical section of the arm frame assembly for vertical adjustment of the chair arm. A latching assembly is connected to the frame assembly and arm body for releasably locking the arm body in a plurality of vertical positions on the frame assembly. Lastly, an actuator, integral with the latching assembly, is provided for disabling the latching assembly.