The 1984 du Maurier Classic was contested from July 26–29 at St. George's Golf and Country Club. It was the 12th edition of the du Maurier Classic, and the sixth edition as a major championship on the LPGA Tour.

This event was won by Juli Inkster.

Place	Player	Score	To par	Money (US$)
1	Juli Inkster	69-68-75-67=279	−9	41,250
2	Ayako Okamoto	69-72-73-66=280	−8	24,750
3	Betsy King	71-73-67-70=281	−7	17,875
4	Donna White	72-71-69-71=283	−5	15,125
5	JoAnne Carner	70-72-71-71=284	−4	12,375
T6	Beth Daniel	70-76-69-70=285	−3	9,281
	Dot Germain	71-72-72-70=285
T8	Nancy Lopez	74-73-68-71=286	−2	6,531
	Patty Sheehan	72-70-73-71=286
T10	Amy Alcott	74-73-70-70=287	−1	5,071
	Dianne Dailey	71-77-70-69=287
	Patti Rizzo	72-74-70-71=287

• Golf Observer source

43°40′30″N 79°31′52″W / 43.675°N 79.531°W / 43.675; -79.531