James Richard Charles Hennessy (26 July 1867 – 16 May 1945) was a French naval officer, politician, businessman and equestrian.

Hennessy attended the École navale, before embarking on a career in the French Navy.

He rose to the rank of corvette captain and was awarded the Croix de guerre.

[3][4] Hennessy began his political career as a general councillor for Segonzac, Charente in 1895.

[9] Hennessy competed in the mail coach event at the 1900 Summer Olympics.