Real Madrid have conceded the fewest goals by a club with more than 0 titles and in LaLiga in a season, with 15 goals conceded in 1931-32.

fewest goals conceded in championship in a season

	CLUB	GC	TITLE	SEASON	M	W	D	L	G	XG	XGA	SH	SOT	PASS-ATT	PASS	POSS%	FOUL	YC	RC
1	Real Madrid	15	1	1931-32	18	10	8	0	37									0	1
2	Real Madrid	17	1	1932-33	18	13	2	3	49									0	0
3	Real Madrid	18	1	1964-65	30	21	5	4	64									0	3
4	Valencia	19	1	1970-71	30	18	7	5	41									1	0
5	Real Betis	19	1	1934-35	22	15	4	3	43									0	1
6	Barcelona	20	1	2022-23	38	28	4	6	70	77.95	33.88	572	194	23,213	20,460	64.9	433	84	6
7	Atlético Madrid	20	1	1965-66	30	18	8	4	54									0	0
8	Barcelona	21	1	2014-15	38	30	4	4	110			625	273	25,803	22,757	69.8	370	69	3
9	Barcelona	21	1	2010-11	38	30	6	2	95									73	2
10	Real Madrid	21	1	1968-69	30	18	11	1	46									0	1
11	Atlético Madrid	22	1	1969-70	30	18	6	6	53									0	0
12	Real Madrid	22	1	1966-67	30	19	9	2	58									0	2
13	Real Madrid	23	1	1963-64	30	22	2	6	61									0	2
14	Barcelona	23	1	1928-29	18	11	3	4	37									0	0
15	Barcelona	24	1	2009-10	38	31	6	1	98									78	5
16	Barcelona	24	1	1973-74	34	21	8	5	75									21	0
17	Real Madrid	24	1	1961-62	30	19	5	6	58									0	0
18	Atlético Madrid	25	1	2020-21	38	26	8	4	67			460	187	19,095	15,877	52.3	489	100	0
19	Real Madrid	25	1	2019-20	38	26	9	3	70			563	237	21,827	18,969	59.1	487	82	4
20	Barcelona	25	1	1984-85	34	21	11	2	69									44	2
21	Real Madrid	25	1	1960-61	30	24	4	2	89									0	2
22	Real Madrid	26	1	2023-24	38	29	8	1	87	70.56	36.26	598	249	23,374	21,086	59.4	369	70	4
23	Atlético Madrid	26	1	2013-14	38	28	6	4	77									98	3
24	Real Madrid	26	1	1987-88	38	28	6	4	95									30	2
25	Real Madrid	26	1	1975-76	34	20	8	6	54									24	1