The 1964 French Championships (now known as the French Open) was a tennis tournament that took place on the outdoor clay courts at the Stade Roland-Garros in Paris, France. The tournament ran from 19 May until 30 May. It was the 68th staging of the French Championships, and the second Grand Slam tennis event of 1964. Manuel Santana and Margaret Smith won the singles titles.
| 1964 French Championships | |
|---|---|
| Date | 19–30 May 1964 |
| Edition | 63 |
| Category | 34th Grand Slam (ITF) |
| Surface | Clay |
| Location | Paris (XVIe), France |
| Venue | Stade Roland Garros |
| Champions | |
| Men's singles | |
 Manuel Santana | |
| Women's singles | |
 Margaret Smith | |
| Men's doubles | |
| Roy Emerson / Ken Fletcher | |
| Women's doubles | |
| Margaret Smith / Lesley Turner | |
| Mixed doubles | |
| Margaret Smith / Ken Fletcher | |
Finals
Men's singles
Manuel Santana defeated Nicola Pietrangeli 6–3, 6–1, 4–6, 7–5
Women's singles
Margaret Smith defeated Maria Bueno 5–7, 6–1, 6–2
Men's doubles
Roy Emerson / Ken Fletcher defeated John Newcombe / Tony Roche 7–5, 6–3, 3–6, 7–5
Women's doubles
Margaret Smith / Lesley Turner defeated Norma Baylon / Helga Schultze 6–3, 6–1
Mixed doubles
Margaret Smith / Ken Fletcher defeated Lesley Turner / Fred Stolle 6–3, 4–6, 8–6