The wheeled weed trimmer support apparatus provides a vehicle for supporting a weed trimmer by adjustably clamping the trimmer shaft, typically above the shaft bend, in two spaced apart locations. By adjustably supporting the shaft with respect to both height and angular positioning of the trimmer head, a trimmer can be exactly controlled to allow angular cuts, more exact flat cuts, and overall desired positioning of the trimmer cutting line and/or blades. The rapidity with which such adjustments are made, especially accommodated by the t-handled tighteners, is further equally important to the adjustment capabilities themselves. The apparatus importantly provides support for a trimmer so that the load of the trimmer is not born by a user's back, shoulders, arms, and other muscles, joints, and bones.