Women's singles
1978 French Open
Final
Champion	Virginia Ruzici
Runner-up	Mima Jaušovec
Score	6–2, 6–2
Details
Seeds	16
Events
Singles men women boys girls Doubles men women mixed boys girls WC Singles men women quad WC Doubles men women quad Legends −45 45+ women
← 1977 · French Open · 1979 →

Virginia Ruzici defeated the defending champion Mima Jaušovec in the final, 6–2, 6–2 to win the women's singles tennis title at the 1978 French Open.^[1]

The seeded players are listed below. Virginia Ruzici is the champion; others show the round in which they were eliminated.

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• r = Retired

	Quarterfinals							Semifinals							Finals
	1	Mima Jaušovec	6	6
	5	Kathy May	4	2
								1	Mima Jaušovec	6	6
								3	Regina Maršíková	3	4
	3	Regina Maršíková	6	6
	Q	Helga Masthoff	3	3
															1	Mima Jaušovec	2	2
															2	Virginia Ruzici	6	6
	Q	Mirka Bendlová	3	3
		Brigitte Simon	6	6
									Brigitte Simon	3	0
								2	Virginia Ruzici	6	6
	13	Fiorella Bonicelli	7	4	6
	2	Virginia Ruzici	6	6	8

	First round							Second round							Third round							Quarterfinals
	1	Jaušovec	6	6
		Walsh	1	3				1	Jaušovec	6	6
		Nagelsen	6	7					Nagelsen	4	2
		Hanika	4	5											1	Jaušovec	6	6
	Q	Bowrey	7	6											Q	Bowrey	1	3
		Coles	5	4				Q	Bowrey	7	6
	12	Tyler	6	6				12	Tyler	5	4
		Gerulaitis	2	2																		1	Jaušovec	6	6
	9	Tomanová	6	7																		5	May	4	2
	Q	Gregory	1	5				9	Tomanová	3	7	4
		Strachoňová	7	6					Strachoňová	6	6	6
		Giscafré	6	1												Strachoňová	1	0
		Sparre-Viragh	6	6											5	May	6	6
		Wikstedt	3	4					Sparre-Viragh	6	2	6
	5	May	6	6				5	May	4	6	8
		Ganz	1	2

	First round							Second round							Third round							Quarterfinals
	3	Maršíková	7	6
		Whytcross	5	1				3	Maršíková	6	6
		Desfor	6	6	6				Desfor	0	4
		Anliot	7	3	3										3	Maršíková	6	6
	Q	Budařová	6	6											14	Simionescu	1	4
		Fayter	1	3				Q	Budařová	7	5	3
	14	Simionescu	6	6				14	Simionescu	6	7	6
		Evers	4	2																		3	Maršíková	6	6
	15	Louie	6	6																		Q	Masthoff	3	3
		Harris	2	3				15	Louie	6	4	2
	Q	Masthoff	4	6	6			Q	Masthoff	3	6	6
	Q	Madruga	6	0	4										Q	Masthoff	7	6
		Hunt	6	6												Hunt	6	4
		Ornstein	2	3					Hunt	6	5	6
	7	Ebbinghaus	6	2	6			7	Ebbinghaus	4	7	0
		O'Neil	2	6	2

	First round							Second round							Third round							Quarterfinals
	Q	Bendlová	6	2	6
	8	Du Pont	4	6	3			Q	Bendlová	1	6	6
		Rual	6	6					Rual	6	2	3
		Klein	1	2											Q	Bendlová	6	6
		Medrado	6	2	6											Medrado	3	4
		Riedel	4	6	3				Medrado	6	6
	11	Evert	6	6	6			11	Evert	1	2
		Simmonds	7	3	2																	Q	Bendlová	3	3
		Simon	7	6																			Simon	6	6
	10	Mihai	5	2					Simon	6	6
	Q	Tobin	6	6				Q	Tobin	1	1
		Stratton	1	2												Simon	6	6
		González	6	6												González	4	3
		Bohm	4	3					González	6	4	6
	4	Richey	6	6				4	Richey	4	6	3
		Bostrom	2	2

	First round							Second round							Third round							Quarterfinals
		Teeguarden	7	2	7
	6	Newberry	5	6	5				Teeguarden	6	6
		Eisterlehner	4	6	6				Eisterlehner	1	4
		Smith	6	3	2											Teeguarden	3	7	4
	Q	Mandlíková	6	6											13	Bonicelli	6	6	6
		Pinterová	2	1				Q	Mandlíková	2	5
	13	Bonicelli	6	6				13	Bonicelli	6	7
		Fuchs	4	1																		13	Bonicelli	7	4	6
		Thibault	6	6																		2	Ruzici	6	6	8
	16	Stoll	3	4					Thibault	7	6
		Latham	4	6	6				Latham	5	3
		Lovera	6	4	4											Thibault	3	2
		Ekblom	6	7											2	Ruzici	6	6
		Doerner	2	5					Ekblom	1	3
	2	Ruzici	6	6				2	Ruzici	6	6
		Blackwood	4	0

• 1978 French Open – Women's draws and results at the International Tennis Federation