The 1973 Jean Becker Open, also known as Paris Open, was a men's Grand Prix tennis tournament played on indoor hard courts.

It was the 4th edition of the Paris Open (later known as the Paris Masters).

It took place at the Palais omnisports de Paris-Bercy in Paris, France, from 29 October until 4 November 1973.

Ilie Năstase won the singles title.

[3] Ilie Năstase defeated Stan Smith 4–6, 6–1, 3–6, 6–0, 6–2 Juan Gisbert Sr. / Ilie Năstase defeated Arthur Ashe / Roscoe Tanner 6–2, 4–6, 7–5