Ralf Kettemann

Ralf Kettemann (born 20 August 1986) is a German football manager and former footballer who manages SC Paderborn.

Early life Kettemann was born on 20 August 1986. Born in Crailsheim, Germany, he is a native of the city.

Playing career Kettemann started his playing career with TSV Crailsheim. Following his stint there, he signed for SpVgg Greuther Fürth II in 2007, where he made thirty-four league appearances and scored six goals.

Managerial career Kettemann started his managerial career with in 2011, helping the club achieve promotion from the sixth tier to the fifth tier. During the summer of 2019, he was appointed as an assistant manager of TSG 1899 Hoffenheim II.

Two years later, he was appointed as a youth manager of Karlsruher SC. Ahead of the 2025–26 season, he was appointed manager of SC Paderborn, helping the club achieve promotion to from the second tier to the top flight.

Management style German news website Bundesliga wrote in 2026 that he "places a great emphasis on entertaining football and controlling matches by maintaining possession of the ball, whilst also valuing hard work and developing young talent".