Karl Malone had the most games in the playoffs with exactly 0 championships, with 193 games.

Interpreted as:

most career NBA playoff games without a championship by a player

NAME	GP	CHAMPS	MPG	PPG	RPG	APG	SPG	BPG	TPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	MIN	PTS	REB	AST	STL	BLK	TOV	PF	+/-
Karl Malone	193	0	41.0	24.7	10.7	3.2	1.3	0.7	2.8	9.0	19.5	46.3	0.0	0.2	16.2	6.6	8.9	73.6	7,907	4,761	2,062	610	258	135	550	662	+123
John Stockton	182	0	35.2	13.4	3.3	10.1	1.9	0.3	2.8	4.7	9.9	47.3	0.6	1.9	32.6	3.4	4.2	81.0	6,399	2,436	608	1,839	338	50	517	539	+105
Al Horford	167	0	34.2	12.5	8.2	3.4	0.8	1.3	1.4	5.0	10.1	49.5	0.9	2.3	39.6	1.6	2.0	77.8	5,718	2,091	1,362	565	137	213	241	425	-100
Sam Perkins	167	0	28.7	11.1	5.6	1.5	0.7	0.8	1.2	3.9	8.9	44.4	0.9	2.5	36.3	2.4	3.0	78.5	4,785	1,861	936	246	118	126	207	441	+14
James Harden	160	0	35.9	22.7	5.5	6.3	1.7	0.5	3.5	6.8	16.1	42.4	2.5	7.4	33.8	6.6	7.6	86.9	5,749	3,637	883	1,013	267	85	555	483	+317
Chris Paul	149	0	36.5	20.0	4.9	8.3	1.9	0.2	2.5	7.4	15.3	48.4	1.6	4.4	37.3	3.5	4.1	85.4	5,443	2,981	730	1,233	287	31	377	437	+130
Kyle Korver	145	0	23.2	8.0	2.5	1.0	0.6	0.4	0.8	2.7	6.4	41.7	1.8	4.5	39.1	0.9	1.0	89.5	3,371	1,156	360	152	81	56	119	282	+257
George Hill	144	0	30.2	11.1	3.0	2.6	0.9	0.2	1.3	3.7	8.2	45.2	1.2	3.3	37.2	2.4	3.0	80.2	4,346	1,592	425	369	123	33	184	319	+221
Reggie Miller	144	0	36.9	20.6	2.9	2.5	1.0	0.2	1.8	6.5	14.5	44.9	2.2	5.7	39.0	5.3	6.0	89.3	5,308	2,972	416	357	146	34	257	275	+170
Charles Oakley	144	0	35.5	10.8	10.0	2.0	1.2	0.3	2.1	4.1	8.8	45.9	0.1	0.3	36.6	2.5	3.4	75.5	5,108	1,550	1,445	283	178	42	308	503	-60
Derrick McKey	142	0	26.7	8.3	4.4	2.2	0.8	0.6	1.6	3.1	6.6	46.4	0.3	0.9	30.2	1.9	2.5	74.4	3,786	1,176	626	319	111	88	225	436	-19
Clifford Robinson	141	0	27.6	10.3	3.9	1.8	1.0	0.9	1.6	3.8	9.7	39.3	0.6	2.1	29.8	2.0	3.2	62.9	3,887	1,453	554	250	141	132	230	496	-136
Jeff Hornacek	140	0	34.0	14.9	3.8	3.8	1.2	0.2	1.7	5.3	11.3	47.0	0.9	2.0	43.3	3.5	3.9	88.6	4,766	2,092	527	525	170	25	231	384	+133
Patrick Ewing	139	0	37.5	20.2	10.3	2.0	0.9	2.2	2.5	7.9	16.9	46.9	0.1	0.2	34.8	4.3	6.0	71.8	5,207	2,813	1,435	275	122	303	345	522	+8
Dale Davis	137	0	26.7	6.6	8.0	0.6	0.6	0.9	1.1	2.7	5.0	53.3	0.0	0.0	0.0	1.2	2.4	50.3	3,662	900	1,091	87	79	126	153	408	-15
Elgin Baylor	134	0		27.0						10.4						6.3	8.2	77.1		3,623						435
Mark Jackson	131	0	28.8	9.0	3.6	6.9	1.0	0.1	2.2	3.3	7.7	43.2	0.7	2.1	34.5	1.6	2.1	77.7	3,776	1,185	477	905	131	8	292	225	+48
Paul Millsap	130	0	27.3	12.1	6.8	1.7	0.9	1.1	1.6	4.4	9.5	45.7	0.5	1.8	28.6	2.9	3.9	72.6	3,552	1,571	878	222	119	138	204	377	-112
Terry Porter	124	0	31.8	14.7	3.0	5.0	1.1	0.1	1.9	5.0	10.6	47.0	1.2	3.3	37.2	3.5	4.3	82.6	3,939	1,828	371	624	137	14	236	245	-42
Dan Majerle	123	0	34.5	11.7	5.0	2.5	1.3	0.4	1.0	4.1	9.9	41.6	1.5	4.2	35.3	2.0	2.6	75.3	4,239	1,441	609	304	164	52	128	285	-14
Charles Barkley	123	0	39.4	23.0	12.9	3.9	1.6	0.9	2.9	8.2	16.0	51.3	0.5	2.0	25.5	6.1	8.5	71.7	4,849	2,833	1,582	482	193	110	353	408	+1
Vlade Divac	121	0	30.8	12.1	7.5	2.4	1.0	1.4	2.1	4.5	9.3	48.0	0.1	0.4	24.1	3.1	4.2	73.1	3,728	1,468	913	286	117	165	260	439	+43
Joe Johnson	120	0	35.5	15.2	4.2	3.1	0.8	0.2	1.8	5.9	13.7	42.7	1.3	3.9	33.9	2.2	2.8	77.9	4,266	1,828	506	369	96	19	212	226	-270
Steve Nash	120	0	35.7	17.3	3.5	8.8	0.6	0.1	3.2	6.2	13.2	47.3	1.5	3.7	40.6	3.3	3.7	90.0	4,288	2,072	422	1,061	66	14	383	239	+210
Jimmy Butler	119	0	37.9	21.3	6.2	4.6	1.7	0.6	1.8	7.2	15.6	46.0	1.2	3.5	34.7	5.7	6.9	83.0	4,512	2,534	734	551	202	68	216	211	+25