Bill Russell has the most career wins in game sevens, with 10 wins.

NAME	W	GP	MPG	PPG	RPG	APG	SPG	BPG	TPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	MIN	PTS	REB	AST	STL	BLK	TOV	PF	+/-
Bill Russell	10	10	48.8	18.6	29.3	3.7				6.8	15.2	44.7				5.0	7.2	69.4	488	186	293	37				40
Sam Jones	9	9	36.7	27.1	5.6	1.9				11.1	22.6	49.3				4.9	5.6	88.0	330	244	50	17				29
Al Horford	7	10	38.0	11.4	9.0	3.3	0.7	1.2	1.1	4.7	9.8	48.0	0.7	2.2	31.8	1.3	2.1	61.9	380	114	90	33	7	12	11	24	+68
Ray Allen	7	11	34.7	14.5	3.5	2.5	0.8	0.4	1.7	4.6	12.0	38.6	2.0	5.5	36.7	3.3	3.4	97.3	382	160	38	27	9	4	19	24	+50
Robert Horry	7	9	32.8	10.8	5.3	1.7	1.7	0.7	1.0	3.9	7.8	50.0	1.3	3.3	40.0	1.7	2.2	75.0	295	97	48	15	15	6	9	28	+33
Dennis Johnson	7	9	38.8	18.0	5.1	5.7	0.8	0.9	3.3	5.7	15.0	37.8	0.1	0.6	25.0	6.6	8.1	80.8	349	162	46	51	7	8	30	32
Tom Heinsohn	7	7	31.7	20.7	9.9	2.1				8.6	19.1	44.8				3.6	5.7	62.5	222	145	69	15				35
Marcus Smart	6	8	36.0	11.1	4.8	5.8	1.4	0.8	1.4	3.8	10.9	34.5	1.3	5.5	22.7	2.4	3.1	76.0	288	89	38	46	11	6	11	24	+78
Jaylen Brown	6	8	35.2	16.5	5.8	2.1	1.5	0.5	2.6	6.5	14.8	44.1	1.5	6.3	24.0	2.0	2.9	69.6	281	132	46	17	12	4	21	20	+40
LeBron James	6	8	45.6	34.9	9.9	5.6	1.8	0.9	3.6	11.4	23.4	48.7	2.0	6.0	33.3	10.1	13.0	77.9	365	279	79	45	14	7	29	18	+36
Derek Fisher	6	6	25.2	7.2	1.2	1.7	0.7	0.0	0.5	2.5	5.7	44.1	0.7	2.0	33.3	1.5	1.7	90.0	151	43	7	10	4	0	3	15	-22
Sam Cassell	6	8	28.8	15.8	1.9	5.9	0.9	0.3	2.1	5.1	10.6	48.2	0.8	1.6	46.2	4.8	5.0	95.0	231	126	15	47	7	2	17	28	-29
Danny Ainge	6	9	29.6	13.4	1.7	2.8		0.3		4.4	9.1	48.8	2.0	4.0	50.0	2.6	2.9	88.5	266	121	15	25		3		34
Larry Bird	6	8	42.9	27.0	9.3	6.8	1.9	1.3	2.9	9.6	19.4	49.7	0.5	1.1	44.4	7.3	7.6	95.1	343	216	74	54	15	10	23	18
Kevin McHale	6	8	31.4	17.0	7.8	0.9		1.1		6.5	11.6	55.9	0.0	0.3	0.0	4.0	5.4	74.4	251	136	62	7		9		30
Robert Parish	6	9	35.8	15.7	11.0	1.1		2.2		6.1	13.4	45.5	0.0	0.0		3.4	4.4	77.5	322	141	99	10		20		33
Wes Unseld	6	9	40.9	7.6	12.9	3.9			1.3	2.6	7.0	36.5				2.4	4.1	59.5	368	68	116	35			4	29
John Havlicek	6	8	40.8	16.3	9.0	4.1				6.0	17.9	33.6				4.3	5.8	73.9	326	130	72	33				33
K.C. Jones	6	6	22.7	4.2	3.0	4.5				1.2	4.8	24.1				1.8	2.3	78.6	136	25	18	27				20
Bob Cousy	6	6	44.8	17.7	5.3	11.3				6.5	20.8	31.2				4.7	6.8	68.3	269	106	32	68				19
Frank Ramsey	6	6	26.2	16.3	6.7	0.5				5.7	12.5	45.3				5.0	6.2	81.1	157	98	40	3				23
Jayson Tatum	5	7	41.5	26.7	9.3	5.1	0.9	0.7	2.7	9.0	19.0	47.4	3.3	6.9	47.9	5.4	6.7	80.9	291	187	65	36	6	5	19	20	+55
Joe Johnson	5	9	33.7	12.8	4.1	3.0	1.1	0.1	1.2	5.0	13.6	36.9	1.6	4.6	34.1	1.2	1.8	68.8	303	115	37	27	10	1	11	10	+16
Rajon Rondo	5	8	35.2	11.5	6.3	8.6	1.5	0.4	2.5	4.6	10.8	43.0	0.5	1.6	30.8	1.8	2.4	73.7	282	92	50	69	12	3	20	25	-1
James Jones	5	6	15.5	4.7	2.2	0.2	0.0	0.3	0.0	1.2	3.0	38.9	0.5	1.7	30.0	1.8	2.0	91.7	93	28	13	1	0	2	0	4	+1