Eléonor Lucien Ernest Duquesne (17 October 1900 – 7 May 1991) was a French runner who competed at three Olympic Games.

[2] In the first laps of the 1928 steeplechase semifinal, Paavo Nurmi fell at the water jump, and Duquesne stopped and helped him out.

In return, Nurmi paced Duquesne through the rest of the race, thereby helping him to reach the final.

[4] Duquesne competed at the International Cross Country Championships in 1920 and 1923, finishing seventh on both occasions and winning two medals with the French team.

He finished third behind Albert Hill in the 1 mile event at the British 1921 AAA Championships.