Lauri Matias Lyly (born 20 February 1953, Seinäjoki) is a Finnish trade unionist and politician who served as the mayor of Tampere since 2017 until 2021. He is married with Tuula Lyly and the couple has three children.^[1]

Lyly was born in Seinäjoki, in 1953. His father worked as a painter and mother as a sewer. He left his childhood home at the age of 15 and moved to Vaasa in order to study.^[1] In 1971 he became an electrician. After this be became a technician.^[2]

Between 1972–1989 Lyly worked as an electric technician in a few places around Western Finland. In 1989 he became a trade unionist as he started as secretary in Finnish Electrical Workers' Union.^[2] In 1997 he was elected as the chairperson of the union.^[3] Between 2009–2016 he was the chairperson of the Central Organisation of Finnish Trade Unions after which he retired.^[4]

In February 2017 Lyly came back from the retirement and decided to run in municipal election.^[5]

Lyly was elected as the mayor of Tampere on 12 June 2017 after that year's municipal election.^[6] As mayor Lyly's most important function is to be work as the chairperson of the city government. The number of 4-year-terms is not limited and the same person can be re-elected as mayor.^[7]

In January 2021 Lyly announced that he has been nominated as the mayoral candidate of the Social Democratic Party in Tampere in upcoming municipal election and is seeking re-election.^[8] Lyly received 2,492 votes, and Anna-Kaisa Ikonen from NCP was nominated as the mayor on August 16.^[9][10]