Lionel Messi has the most assists with more than 0 titles and in LaLiga in a season, with 18 assists in 2014-15.

Interpreted as:

most assists in a championship by a player season

	NAME	A	TITLE	SEASON	CLUB	M	MIN	START	G	G/M	G+A	PK	FK	SH	SOT	WOOD	TCH	TCH-BOX	OFF
1	Lionel Messi L. Messi	18	1	2014-15	Barcelona	38	3,375	37	43	1.13	61	5	2	187	94	12	3,294	0	24
2	Luis Suárez L. Suárez	17	1	2015-16	Barcelona	35	3,150	35	40	1.14	57	3	0	137	70	7	1,529	23	59
3	Lionel Messi L. Messi	14	1	2015-16	Barcelona	33	2,728	31	26	0.79	40	3	4	158	75	5	2,526	9	10
4	Luis Suárez L. Suárez	14	1	2014-15	Barcelona	27	2,181	25	16	0.59	30	0	0	75	36	1	1,168	0	44
5	Lamine Yamal L. Yamal	13	1	2024-25	Barcelona	35	2,864	31	9	0.26	22	0	0	144	47	5	2,350	252	13
6	Lionel Messi L. Messi	13	1	2018-19	Barcelona	34	2,710	29	36	1.06	49	4	6	170	87	10	2,623	187	17
7	Koke	13	1	2013-14	Atlético Madrid	36	2,808	33	5	0.14	18	0
8	Karim Benzema K. Benzema	12	1	2021-22	Real Madrid	32	2,604	31	27	0.84	39	7	0	128	59	2	1,564	240	31
9	Luis Suárez L. Suárez	12	1	2017-18	Barcelona	33	2,902	32	25	0.76	37	1	0	121	56	6	1,569	291	56
10	Lionel Messi L. Messi	12	1	2017-18	Barcelona	36	2,996	32	34	0.94	46	2	6	197	96	14	2,768	299	13
11	Marcos Llorente M. Llorente	11	1	2020-21	Atlético Madrid	37	2,960	33	12	0.32	23	0	0	49	22	3	1,855	113	6
12	Toni Kroos T. Kroos	11	1	2016-17	Real Madrid	29	2,499	28	3	0.10	14	0	0	33	12	1	2,526	24	0
13	Vinícius Júnior V. Júnior	10	1	2021-22	Real Madrid	35	2,701	30	17	0.49	27	0	0	80	43	0	1,967	257	26
14	Yannick Carrasco Y. Carrasco	10	1	2020-21	Atlético Madrid	30	2,188	25	6	0.20	16	0	0	43	24	0	1,485	132	4
15	Marcelo	10	1	2016-17	Real Madrid	30	2,278	26	2	0.07	12	0	0	25	4	0	2,156	57	2
16	Neymar	10	1	2015-16	Barcelona	34	3,057	34	24	0.71	34	5	1	124	61	6	2,800	13	24
17	Raphinha	9	1	2024-25	Barcelona	36	2,845	32	18	0.50	27	2	0	114	43	5	1,997	195	10
18	Isco	9	1	2016-17	Real Madrid	30	1,635	18	10	0.33	19	0	0	32	15	1	1,625	67	4
19	Toni Kroos T. Kroos	8	1	2023-24	Real Madrid	33	2,130	24	1	0.03	9	0	0	35	13	2	2,788	13	3
20	Luka Modrić L. Modrić	8	1	2021-22	Real Madrid	28	2,048	25	2	0.07	10	1	0	27	11	2	1,979	51	1
21	Ángel Correa Á. Correa	8	1	2020-21	Atlético Madrid	38	2,411	29	9	0.24	17	0	0	52	24	2	1,355	157	13
22	Karim Benzema K. Benzema	8	1	2019-20	Real Madrid	37	3,155	36	21	0.57	29	5	0	124	60	5	1,750	248	27
23	Jordi Alba J. Alba	8	1	2018-19	Barcelona	36	2,988	32	2	0.06	10	0	0	13	5	1	3,066	97	9
24	Jordi Alba J. Alba	8	1	2017-18	Barcelona	33	2,744	30	2	0.06	10	0	0	15	5	1	2,791	100	16
25	Xavi	8	1	2014-15	Barcelona	31	1,778	19	2	0.06	10	0	0	28	11	0	2,040	0	0