Jokioinen (Swedish:Jockis) is a municipality of Finland.
It is located in the province of Southern Finland and is part of the Tavastia Proper region. The municipality has a population of 5,508 (30 June 2015) and covers an area of 181.95 square kilometres (70.25sqmi) of which 1.52km (0.59sqmi) is water. The population density is 30.53 inhabitants per square kilometre (79.1/sqmi). The municipality is unilingually Finnish.