The Diocese of Linköping is a diocese within the Church of Sweden administering the Östergötland County, the north eastern part of Jönköping County and the northern part of Kalmar County. It comprises nine deaneries subdivided into 176 parishes with a total of 443,000 members. The diocese's largest parish is Motala. The Diocese of Linköping has a rank directly below the Archdiocese of Uppsala of the Church of Sweden. The current bishop is Marika Markovits.

Linköping is a city in southern Sweden, with around 165,000 inhabitants as of 2021. It is the seat of Linköping Municipality and the capital of Östergötland County. Linköping is also the episcopal see of the Diocese of Linköping and is well known for its cathedral. Linköping is the center of an old cultural region and celebrated its 700th anniversary in 1987. Dominating the city's skyline from afar is the steeple of the cathedral.