Perenjori is a townsite in the northern agricultural region, 348 kilometres (216 mi) north of Perth and 39 kilometres (24 mi) south-east of Morawa. It is located on the Wongan Hills to Mullewa railway line which was opened in 1915. Perenjori was approved as the name of a siding in April 1913, and later that year the government decided to establish a townsite there.