Abstract: A portable beverage holder apparatus includes clamping means, a hanger member, clamp-to-hanger hinge means connected between the clamping means and the hanger member, a cup unit, and hanger-to-cup hinge means connected between the hanger member and the cup unit. Preferably, the clamping means include a one-hand-operated spring clamp assembly. Preferably, the clamp-to-hanger hinge means include a clamp-to-hanger hinge assembly which includes a top hanger reception channel in the clamp assembly, and a top hanger portion in the hanger member. The top hanger portion is received in the top hanger reception channel. Preferably, the hanger-to-cup hinge means include a hanger-to-cup hinge assembly. Preferably, the hanger-to-cup hinge assembly includes hanger, free-end portions, on the hanger member and hanger-reception channels in the cup unit. The hanger, free-end portions are received in the hanger-reception channels.