Mapleton is a rural township in the Canadian province of Ontario, located within Wellington County.

The largest and central community in Mapleton is the village of Drayton, which contains the township offices and has the largest retail presence.

The township also contains the smaller communities of Alma, Bosworth, Dobbenville, Glen Allan, Goldstone, Hollen, Lebanon, Moorefield, Parker, Quarindale, Riverbank, Rothsay, Spruce Green, Stirton, Wyandot, and Yatton.

These are: Secondary education is served by Norwell District Secondary School in Palmerston, in the adjacent township of Minto.

Mapleton is also served by one independent school Conestogo Lake is home to a reservoir and conservation area.