Jōyō (Japanese: 城陽市, Jōyō-shi, pronounced [dʑoːjoː ɕi]) is a city located in Kyoto Prefecture, Kansai, Japan.

It is located in the southeastern part of the Kyoto Basin, with the Kizugawa River to the west and hills to the east.

Jōyō has a humid subtropical climate (Köppen Cfa) characterized by warm summers and cool winters with light to no snowfall.

Jōyō has a mayor-council form of government with a directly elected mayor and a unicameral city council of 20 members.

In terms of national politics, the city is part of the Kyoto 6th district of the lower house of the Diet of Japan.