I don't have anything for this season, but Tyrese Haliburton had the most steals + assists in the 2025 playoffs, with 227.

Interpreted as:

most stl+ast by a player this playoffs

	NAME	STL+AST	STL	AST	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	REB	BLK	TOV	PF	+/-
1	Tyrese Haliburton T. Haliburton	227	30	197	23	33.6	17.3	5.3	8.6	1.3	0.7	6.3	13.7	46.3	2.3	6.9	34.0	2.3	2.8	82.8	58.1	0.3	5.0	2.3	772	399	123	15	53	39	+132
2	Shai Gilgeous-Alexander S. Gilgeous-Alexander	188	38	150	23	37.0	29.9	5.3	6.5	1.7	0.9	10.1	21.9	46.2	1.4	4.9	28.3	8.3	9.4	87.6	57.4	1.0	4.3	2.6	851	688	123	20	60	65	+166
3	Jalen Williams J. Williams	143	32	111	23	34.6	21.4	5.5	4.8	1.4	0.4	7.7	17.2	44.9	1.5	5.0	30.4	4.4	5.6	78.9	54.4	1.0	4.5	1.8	796	492	127	9	41	50	+110
4	Andrew Nembhard A. Nembhard	142	35	107	23	33.4	12.5	3.2	4.7	1.5	0.2	4.6	9.7	47.1	1.7	3.7	46.5	1.6	2.0	80.4	59.0	0.6	2.6	1.8	769	287	74	5	42	63	+58
5	Nikola Jokić N. Jokić	140	28	112	14	40.2	26.2	12.7	8.0	2.0	0.9	9.4	19.1	48.9	1.9	5.1	38.0	5.6	7.2	77.2	58.7	2.1	10.6	3.9	563	367	178	12	55	48	-11
6	Jalen Brunson J. Brunson	134	8	126	18	37.8	29.4	3.4	7.0	0.4	0.3	10.1	21.8	46.1	2.7	7.4	35.8	6.7	7.8	85.1	58.2	0.7	2.8	3.1	680	530	62	5	55	59	+2
7	T.J. McConnell	113	20	93	23	17.5	9.5	3.3	4.0	0.9	0.1	4.1	7.6	53.7	0.3	0.8	42.1	1.0	1.2	81.5	58.3	0.5	2.7	1.9	402	218	75	2	44	26	-34
8	Pascal Siakam P. Siakam	106	28	78	23	33.5	20.5	6.3	3.4	1.2	0.7	7.6	14.8	51.3	1.5	3.6	42.7	3.8	5.3	71.3	59.8	1.3	5.0	1.3	771	472	146	16	30	66	+103
9	Josh Hart J. Hart	100	20	80	18	35.7	11.6	8.8	4.4	1.1	0.6	3.8	8.0	47.2	1.1	3.0	37.0	2.9	3.7	77.6	59.9	2.4	6.3	1.9	642	208	158	10	35	62	+5
10	Anthony Edwards A. Edwards	99	17	82	15	39.0	25.3	7.8	5.5	1.1	0.7	9.0	19.9	45.3	3.1	8.7	35.4	4.3	5.9	71.9	56.4	1.2	6.6	2.6	585	380	117	11	39	32	+38
11	Alex Caruso A. Caruso	96	45	51	23	24.4	9.2	2.7	2.2	2.0	0.6	3.1	7.0	45.0	1.6	3.9	41.1	1.3	1.7	79.5	59.8	0.7	2.0	0.8	562	212	62	13	19	63	+106
12	Jamal Murray J. Murray	90	17	73	14	41.3	21.8	4.9	5.2	1.2	0.8	7.9	17.9	44.4	2.4	6.9	35.4	3.5	4.0	87.5	55.5	0.6	4.2	3.1	578	305	68	11	44	31	+30
13	Julius Randle J. Randle	86	12	74	15	35.5	21.7	5.9	4.9	0.8	0.1	7.7	15.3	50.2	2.0	5.2	38.5	4.4	5.0	88.0	62.2	1.8	4.1	3.3	533	326	88	2	49	45	+40
14	Mikal Bridges M. Bridges	83	30	53	18	39.2	15.6	4.5	2.9	1.7	0.9	6.7	14.6	45.6	1.6	4.7	33.3	0.7	0.9	75.0	51.8	1.1	3.4	2.1	706	280	81	17	38	39	-69
15	Cason Wallace C. Wallace	80	32	48	23	22.4	5.6	2.7	2.1	1.4	0.4	2.2	5.2	42.9	0.9	2.7	32.3	0.3	0.4	66.7	52.0	1.0	1.7	0.7	516	128	61	10	16	51	+130
16	James Harden J. Harden	73	9	64	7	39.4	18.7	5.4	9.1	1.3	1.0	6.3	14.4	43.6	2.3	6.3	36.4	3.9	4.7	81.8	56.7	0.6	4.9	3.0	276	131	38	7	21	16	-23
17	Jimmy Butler III J. Butler III	71	14	57	11	36.1	19.2	6.6	5.2	1.3	0.3	6.2	13.8	44.7	1.0	3.3	30.6	5.8	7.3	80.0	56.4	2.4	4.3	1.2	397	211	73	3	13	19	-53
18	Donte DiVincenzo D. DiVincenzo	71	21	50	15	25.1	8.7	3.1	3.3	1.4	0.3	3.1	8.4	36.5	1.9	5.9	31.8	0.7	0.9	76.9	49.3	0.8	2.3	1.9	377	130	46	4	28	45	-62
19	Isaiah Hartenstein I. Hartenstein	70	19	51	23	22.4	8.1	7.5	2.2	0.8	0.5	3.6	5.8	61.9	0.0	0.0		0.9	1.3	66.7	63.2	2.7	4.8	1.2	516	186	173	12	27	57	+35
20	Draymond Green D. Green	63	17	46	12	32.4	9.1	5.5	3.8	1.4	0.9	3.5	9.0	38.9	1.3	5.0	26.7	0.8	1.1	69.2	47.9	0.8	4.8	3.0	389	109	66	11	36	44	-23
21	Cade Cunningham C. Cunningham	63	11	52	6	41.3	25.0	8.3	8.7	1.8	1.3	9.2	21.5	42.6	0.8	4.7	17.9	5.8	7.0	83.3	50.9	1.0	7.3	5.3	248	150	50	8	32	20	+9
22	Jayson Tatum J. Tatum	60	17	43	8	40.3	28.1	11.5	5.4	2.1	0.8	9.3	21.9	42.3	3.6	9.8	37.2	6.0	6.8	88.9	56.6	1.1	10.4	3.3	322	225	92	6	26	21	+77
23	OG Anunoby	60	36	24	18	39.2	16.3	4.6	1.3	2.0	1.2	5.7	13.7	41.7	2.3	6.7	33.9	2.6	3.2	81.0	53.9	1.3	3.3	1.7	705	294	83	22	30	49	-36
24	Mike Conley M. Conley	59	9	50	15	23.7	6.0	2.9	3.3	0.6	0.2	1.9	6.4	30.2	1.3	4.0	33.3	0.8	0.9	92.3	44.2	0.8	2.1	0.8	356	90	44	3	12	21	+55
25	Jaylen Brown J. Brown	54	11	43	11	36.5	22.1	7.1	3.9	1.0	0.3	7.8	17.7	44.1	1.9	5.7	33.3	4.5	6.0	75.8	54.2	1.2	5.9	3.5	402	243	78	3	39	35	+60