Karl-Ludwig Kley (born 11 June 1951 in Munich) is a German business executive.

Kley studied law at the Ludwig Maximilian University of Munich (LMU) from 1974 to 1979.

Kley worked for Bayer from 1982 to 1998, most recently as head of corporate finance and investor relations.

[3] In his capacity at Merck, Kley was part of Chancellor Angela Merkel’s delegation on a state visit to Japan in 2015.

[2] In 2017, Lufthansa named Kley as new chairman of its supervisory board, replacing Wolfgang Mayrhuber, who had resigned six months before the end of his term.