Masten Gregory was a Formula One driver from the United States. He participated in 42 grands prix, debuting on May 19, 1957. He achieved 3 podiums, and scored a total of 24 championship points.

Complete Formula One results

(Note: grands prix in bold denote points scoring races.)

Yr	Team	1	2	3	4	5	6	7	8	9	10	11	Team
1957	Mase	ARG	MON	IND	FRA	GBR	DEU	PES	ITA				Mase
1958	Mase	ARG	MON	DUT	IND	BEL	FRA	GBR	DEU	POR	ITA	MOR	Mase
1959	Coop	MON	IND	DUT	FRA	GBR	DEU	POR	ITA	USA			Coop
1960	Behr	ARG	MON	IND	DUT	BEL	FRA	GBR	POR	ITA	USA		Coop
1961	Coop	MON	DUT	BEL	FRA	GBR	DEU	ITA	USA				Lotu
1962	Lotu	DUT	MON	BEL	FRA	GBR	DEU	ITA	USA	SAF			Lotu
1963	Lotu	MON	BEL	DUT	FRA	GBR	DEU	ITA	USA	MEX	SAF		Lola
1965	BRM	SAF	MON	BEL	FRA	GBR	DUT	DEU	ITA	USA	MEX		BRM