Singles
1970 Paris Open
Final
Champion	Arthur Ashe
Runner-up	Marty Riessen
Score	7–6, 6–4, 6–3
Details
Draw	32
Seeds	8
Events
Singles Doubles
← 1969 · Paris Open · 1972 →

The 1970 Paris Open – Singles was an event of the 1970 Paris Open men's tennis tournament that was played at the Palais Omnisports in Paris, France from 9 November until 15 November 1970. The draw comprised 32 players and eight were seeded. Third-seeded Arthur Ashe won the singles title, defeating unseeded Marty Riessen in the final, 7–6, 6–4, 6–3.

A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.

• NB: The Semifinals and Final were the best of 5 sets while all other rounds were the best of 3 sets.

	Final
	3	Arthur Ashe	7	6	6
		Marty Riessen	6	4	3

	First round							Second round							Quarterfinals							Semifinals
	2	K Rosewall	6	6
	Q	P Proisy	1	2				2	K Rosewall	3	6	6
		C Graebner	7	3	6				C Graebner	6	4	4
		F Jauffret	6	6	4										2	K Rosewall	6	2
		G Goven	6	6												G Goven	7	6
		N Pilić	3	4					G Goven	7	6
		R Ruffels	2	4				7	R Emerson	5	4
	7	R Emerson	6	6																			G Goven	6	6	3
	3	A Ashe	7	3	7																	3	A Ashe	7	7	6
		O Davidson	6	6	6			3	A Ashe	6	6
		C Drysdale	6	6					C Drysdale	1	3
		D Crealy	3	3											3	A Ashe	6	6	6
		R Taylor	6	6												R Taylor	4	7	2
		I El Shafei	3	2					R Taylor	6	7
	Q	N Špear	1	7	0			6	A Gimeno	3	6
	6	A Gimeno	6	6	6

	First round							Second round							Quarterfinals							Semifinals
	5	C Richey	6	6
		P Barthès	3	2				5	C Richey	3	2
		S Smith	6	6					S Smith	6	6
		B Carmichael	4	0												S Smith	7	6
		D Ralston	6	6	6											D Ralston	5	4
	Q	R Moore	7	4	2				D Ralston	7	5	7
		J-B Chanfreau	6	7	6				J-B Chanfreau	6	7	6
	4	T Okker	7	6	4																		S Smith	3	7	6	4
	8	P Gonzales	6	3	6																		M Riessen	6	6	7	6
	Q	M Leclercq	4	6	3			8	P Gonzales	6	6
		Z Franulović	6	6	6				Z Franulović	1	3
	Q	P Dominguez	3	7	2										8	P Gonzales	6	0
		M Riessen	6	4	6											M Riessen	7	6
		M Cox	2	6	3				M Riessen	7	6
	Q	G Stilwell	6	6				Q	G Stilwell	5	2
	1	R Laver	3	3

• 1970 Paris Open draw