An adjustable portable foot elevator. The adjustable portable foot elevator includes a base having an upper surface and lower surface, a plurality of support legs extending from the lower surface, a first vertical rod disposed on the upper surface, and a second vertical rod slidably engaged with the first vertical rod, wherein the second vertical rod can be locked in place via a locking mechanism. A footrest is disposed on the upper end of the second vertical rod. A cushion is disposed on the footrest, wherein the cushion is configured to support a foot thereon. The adjustable portable foot elevator provides a portable footrest that may be raised or lowered to maintain a foot at a desired elevated position for optimal comfort.