Abstract: A sanitary toilet seat cover 10 for preventing direct contact between a person's skin and the top surface of a toilet seat 101. The toilet seat cover 10 includes a top layer 20 of waterproof material whose underside is affixed to a layer of porous material 40 impregnated with an antibacterial solution. The porous layer 40 is provided with a plurality of adhesive patches 51 to temporarily affix the seat cover 10 to a toilet seat 101 and a bottom layer 30 of waterproof material 31 whose peripheral edges are sealingly engaged with the underside of the top layer 20 of waterproof material 21 to provide an airtight envelope that surrounds the antibacterial solution until the toilet seat cover 10 is ready for use.