Jorge Posada has the most career RBIs by a catcher in the postseason, with 42 RBIs.

	NAME	RBI	G	AB	R	H	2B	3B	HR	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Jorge Posada J. Posada	42	120	402	49	97	23	0	11	66	2	103	3	3	473	153	34	0	3	9	15	.241	.349	.381	.729
2	Will Smith W. Smith	37	72	268	33	58	12	1	10	31	2	67	1	0	303	102	23	0	2	6	3	.216	.300	.381	.681
3	Yadier Molina Y. Molina	36	104	373	29	102	19	0	4	27	3	44	1	1	406	133	23	1	2	6	13	.273	.326	.357	.682
4	Yogi Berra Y. Berra	36	71	248	39	68	10	0	11	27	3	16	0	2	279	111	21	0	1	4	5	.274	.351	.448	.799
5	Jason Varitek J. Varitek	33	63	228	37	54	12	2	11	14	5	56	0	0	252	103	25	2	3	4	6	.237	.292	.452	.744
6	Travis d'Arnaud T. d'Arnaud	29	57	199	20	45	8	0	10	15	3	65	0	0	220	83	18	0	3	0	7	.226	.286	.417	.703
7	Sandy Alomar Jr. S. Alomar Jr.	28	49	173	17	37	9	1	5	7	1	26	0	1	183	63	15	1	1	1	6	.214	.247	.364	.611
8	Javy Lopez J. Lopez	28	60	205	27	57	14	0	10	14	2	40	2	2	225	101	24	0	4	1	6	.278	.324	.493	.817
9	Buster Posey B. Posey	25	58	226	18	57	6	0	5	23	1	47	1	1	252	78	11	0	2	5	4	.252	.321	.345	.667
10	Ivan Rodriguez I. Rodriguez	25	40	153	17	39	9	0	4	14	0	32	1	0	170	60	13	1	2	3	3	.255	.314	.392	.706
11	Bill Dickey B. Dickey	24	38	145	19	37	1	1	5	15	1	12	1	1	161	55	7	0		2	4	.255	.329	.379	.709
12	J.T. Realmuto	22	38	142	22	33	7	1	7	10	4	44	0	1	156	63	15	0	0	0	2	.232	.301	.444	.745
13	Russell Martin R. Martin	22	58	199	24	38	9	0	6	25	9	54	1	0	235	65	15	0	2	0	5	.191	.306	.327	.633
14	Thurman Munson T. Munson	22	30	129	19	46	9	0	3	5	0	19	1	1	135	64	12	0	1	1	4	.357	.378	.496	.874
15	Gary Carter G. Carter	21	30	118	11	33	8	1	4	8	0	15	0	1	128	55	13	0	2	1	2	.280	.320	.466	.786
16	Bengie Molina B. Molina	20	42	132	14	36	6	1	5	6	4	16	1	0	144	59	12	2	0	2	5	.273	.324	.447	.771
17	Johnny Bench J. Bench	20	45	169	27	45	8	3	10	18	0	29	6	1	188	89	21	0	1	6	4	.266	.335	.527	.862
18	Gary Sánchez G. Sánchez	19	31	111	11	19	3	0	7	6	1	44	0	0	121	43	10	0	3	0	3	.171	.215	.387	.602
19	Mike Napoli M. Napoli	19	32	92	15	25	2	0	5	13	3	25	1	0	110	42	7	0	2	2	1	.272	.373	.457	.829
20	Carlos Ruiz C. Ruiz	19	53	153	21	39	9	1	5	25	5	18	3	0	184	65	15	1	0	3	2	.255	.377	.425	.802
21	Benito Santiago B. Santiago	19	28	100	7	25	2	0	3	12	0	21	0	0	115	36	5	1	2	1	6	.250	.325	.360	.685
22	A.J. Pierzynski	18	32	106	16	31	5	1	5	11	2	14	2	3	121	53	11	1	1	1	2	.292	.367	.500	.867
23	Yasmani Grandal Y. Grandal	16	40	102	7	13	1	0	6	23	1	42	0	0	128	32	7	1	1	0	4	.127	.291	.314	.605
24	Brian McCann B. McCann	16	39	128	8	22	4	0	4	10	4	38	0	0	143	38	8	0	1	1	2	.172	.252	.297	.549
25	Salvador Perez S. Perez	15	37	140	15	32	4	0	6	5	4	26	0	0	149	54	10	0	0	0	3	.229	.275	.386	.661