The Coupe de France's results of the 1969–70 season. AS Saint-Étienne won the final played on May 31, 1970, beating FC Nantes.
| Tournament details | |
|---|---|
| Country |  France |
Round of 16 edit
| Team 1 | Agg. | Team 2 | 1st leg | 2nd leg | 3rd leg |
|---|---|---|---|---|---|
| Stade Rennais (D1) | 4–3 | Olympique Lyonnais (D1) | 3–2 | 1–1 | |
| Nîmes Olympique (D1) | 2–4 | AS Saint-Étienne (D1) | 1–0 | 1–2 | 0–2 |
| Angers SCO (D1) | 6–4 | SC Bastia (D1) | 2–0 | 1–3 | 3–1 |
| SC Toulon (D2) | 2–3 | US Valenciennes (D1) | 2–0 | 0–2 | 0–1 |
| OGC Nice (D2) | 2–3 | FC Metz (D1) | 2–1 | 0–1 | 0–1 |
| Le Mans Union Club 72 (CFA) | 0–6 | FC Nantes (D1) | 0–4 | 0–2 | |
| AC Arles (CFA) | 0–5 | Limoges FC (D2) | 0–1 | 0–4 | |
| Baume-les-Dames (CFA) | 2–4 | SC Neuilly (D2) | 1–2 | 1–2 |
Quarter-finals edit
| Team 1 | Agg. | Team 2 | 1st leg | 2nd leg | 3rd leg |
|---|---|---|---|---|---|
| Angers SCO (D1) | 2–4 | FC Nantes (D1) | 2–2 | 0–2 | |
| FC Metz (D1) | 1–6 | AS Saint-Étienne (D1) | 1–1 | 0–5 | |
| Stade Rennais (D1) | 7–1 | Limoges FC (D2) | 3–1 | 4–0 | |
| SC Neuilly (D2) | 3–4 | US Valenciennes (D1) | 2–1 | 0–1 | 1–2 |
Semi-finals edit
First round
| Stade Rennais (1) | 0–1 | AS Saint-Étienne (1) |
|---|---|---|
| (Report) | Keita  4' |
| US Valenciennes (1) | 0–2 | FC Nantes (1) |
|---|---|---|
| (Report) | Levavasseur 66' Gondet 69' |
Second round
| AS Saint-Étienne (1) | 1–1 | Stade Rennais (1) |
|---|---|---|
| Larqué 10' |
(Report) | Lenoir 79' |
| FC Nantes (1) | 0–0 | US Valenciennes (1) |
|---|---|---|
| (Report) |