Jean Mesqui, (born 27 May 1952 in Paris) is an engineer, researcher in castle studies, and specialist in the bridges of France.

Jean Antoine Marie Joseph Mesqui was born on 27 May 1952,[1][2] in the 16th arrondissement of Paris.

[3] He studied at the École polytechnique in Paris, and obtained a doctor of letters.

[6] He specialises in the study of the most emblematic castles of France and the Middle East.

[8] Jean Mesqui has written several books on medieval fortified architecture, the history of bridges and roads, and numerous articles.