Methods and apparatus to transition between 2D and 3D renderings of augmented reality content are disclosed. An example apparatus includes instructions to cause programmable circuitry to: cause projection of an AR object onto at least one of a first surface in a real-world environment or a second surface in the real-world environment; cause the AR object to appear to move with variable depth relative to the first surface; cause the AR object to appear to move at a fixed depth relative to the second surface; cause the AR object to appear to transition from the first surface to the second surface when an apparent depth of the AR object relative to the first surface is within a threshold of the fixed depth; and prevent the AR object from appearing to transition to the second surface when the apparent depth is not within the threshold of the fixed depth.