Christian Kettel Thomsen (born 23 August 1959) is Royal Governor of the Bank of Denmark.

He has also served as Permanent Secretary at the Prime Minister's Office (2010–2020) and Ministry of Finance (2005–2010), and as Vice-President of the European Investment Bank (2020–2023).

Thomsen graduated with a Master of Science (Economics) (cand.polit) from the University of Copenhagen in 1991.

In 2002, he left the Ministry of Finance to assume a position as Permanent Under-Secretary at the Prime Minister's Office (Anders Fogh Rasmussen).

In 2005, he succeeded Karsten Dybvad as Permanent Secretary at the Ministry of Finance under Anders Fogh Rasmussen.