Léonce Jacques Aslangul (27 October 1898 – 19 November 1939) was a French tennis player of Armenian descent active on tour in the 1920s and 1930s.

He twice reached the singles fourth round of the French Championships.

[4] Aslangul's wife Nena, an Australian, was the daughter of wealthy Greek-born Melbourne businessman Antony J. Lucas.

Soon after Aslangul died in 1939, Nena and their two children fled occupied France and settled in Australia.

Their son Tony skied for Australia at the 1956 Winter Olympics, while daughter June was a model.