An adjustable fence post coupler is shown and described. The adjustable fence post coupler includes a fence connection plate. The fence connection plate has a plurality of apertures located through the plate. The apertures are configured to allow for fasteners to be placed though and into the fence securing the fence connection plate to the fence. The fence connection plate is connected to at least two connection bolts. The connection bolts are connected to a fence post coupler strap. The connection strap has at least two tubes attached to the connection strap. The connection bolts go through the tubes securing them to the fence post coupler strap. The fence post coupler strap is connected to a fence post. The adjustable fence post coupler is used to adjust the distance from the fence post that the fence is installed at. This allows for a perfectly linear fence.