Abstract: The toilet ventilation apparatus effectively vents unwanted gasses from a toilet room without risk of return. The apparatus provides for installation to an existing toilet bowl with retention of the existing lid. The seat with bottom orifices is provided in a plurality of thicknesses, shapes, and sizes to correctly fit existing toilets. The discharge hose connects to the collar fitting of the drain collar, which is easily connected to a drain such as a sink drain so that in-floor and wall plumbing invasion is not required. The quick connect fitting is disposed between the escape tube exiting the rear of the seat and the suction hose. The quick connect provides that the vacuum pump and related hose are quickly selectively connected and disconnected to any seat of the apparatus installed on an existing toilet bowl, thereby allowing addition and removal of the pump and hoses at a few seconds notice.