Buster Posey has hit the most career homers by a Giants catcher, with 158 home runs.

	NAME	HR	G	AB	R	H	2B	3B	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Buster Posey B. Posey	158	1,371	4,970	663	1,500	293	9	729	540	43	721	23	9	5,607	2,285	460	1	53	67	163	.302	.372	.460	.831	837	188.2	.358	129	190.6
2	Tom Haller T. Haller	107	761	2,368	301	587	82	15	320	311	27	380	10	20	2,743	1,020	204	19	18	51	41	.248	.340	.431	.770	360	68.1	.339	115	46.7
3	Wes Westrum W. Westrum	96	919	2,322	302	503	59	8	315	489	19	514	10	5	2,849	866	163	11	8	9	60	.217	.356	.373	.729	353	18.9	.344	99	-3.8
4	Bob Brenly B. Brenly	90	823	2,527	312	632	116	6	327	308	17	421	44	38	2,896	1,030	212	20	24	35	48	.250	.333	.408	.740	352	21.1	.328	108	29
5	Walker Cooper W. Cooper	63	360	1,232	162	340	50	11	243	76	7	92	3		1,325	601	124	10			47	.276	.322	.488	.809	184	33.9	.370	112	20.7
6	Dick Dietz D. Dietz	62	536	1,634	200	428	80	5	271	318	13	366	2	6	1,983	704	147	7	11	24	44	.262	.384	.431	.815	296	89	.369	132	73.5
7	Bengie Molina B. Molina	58	472	1,720	153	474	83	2	273	61	19	178	0	0	1,827	735	143	1	26	14	57	.276	.303	.427	.731	198	-22	.314	87	-28.7
8	Harry Danning H. Danning	57	890	2,971	363	847	162	26	397	187	14	217	13		3,194	1,232	245	22			57	.285	.330	.415	.745	396	12.3	.342	102	9.6
9	Ernie Lombardi E. Lombardi	55	472	1,384	129	398	36	2	239	117	12	80	1		1,520	603	93	7			65	.288	.348	.436	.784	210	47.5	.371	117	30.4
10	Ed Bailey E. Bailey	51	332	930	113	224	26	2	167	140	11	154	2	12	1,096	407	79	2	13	23	23	.241	.343	.438	.780	145	21.4	.342	113	16.1
11	Shanty Hogan S. Hogan	48	618	2,015	205	627	99	7	333	143	22	122	4		2,206	884	154	26				.311	.363	.439	.802	323	39.4	.366	109	26.4
12	Frank Snyder F. Snyder	42	731	2,212	208	615	96	23	317	162	6	210	15		2,429	883	161	49				.278	.329	.399	.728	284	-14.3	.338	95	-15.8
13	Gus Mancuso G. Mancuso	36	882	2,831	238	765	105	10	328	250	3	160	3		3,147	998	151	63			22	.270	.330	.353	.683	341	-38.8	.321	90	-35.5
14	Benito Santiago B. Santiago	33	367	1,356	148	370	70	11	175	79	6	220	9	7	1,466	561	114	10	15	8	51	.273	.313	.414	.726	162	-17.3	.313	90	-19.1
15	Buck Ewing B. Ewing	33	538	2,197	494	669	93	80	239	138	3		105		2,338	1,021	206					.305	.346	.465	.811	471	133.6	.370	134	119.7
16	Bob Schmidt B. Schmidt	27	310	924	94	233	39	4	112	72	4	135	0	6	1,010	361	70	4	6	13	31	.252	.307	.391	.698	105	-9.2	.308	87	-16
17	Ray Katt R. Katt	25	336	848	80	193	22	4	94	64	5	126	2	1	938	298	51	11	10	6	27	.228	.283	.351	.634	77	-30.6	.285	66	-39.4
18	Brian Johnson B. Johnson	24	155	487	53	123	15	3	61	42	7	93	0	3	547	216	42	7	4	11	19	.253	.319	.444	.762	65	-2.9	.325	97	-1.9
19	Bob Melvin B. Melvin	24	265	787	78	173	35	3	83	45	0	159	3	8	842	286	62	4	6	4	19	.220	.260	.363	.624	67	-30.4	.274	73	-27.5
20	Milt May M. May	23	388	1,255	94	341	58	2	142	108	1	130	3	8	1,384	472	83	12	8	28	30	.272	.328	.376	.704	147	-6	.313	98	-3
21	Marc Hill M. Hill	23	431	1,201	94	272	39	1	139	141	2	151	1	5	1,370	382	63	11	15	26	40	.226	.305	.318	.623	112	-40.8	.282	71	-45.2
22	Dave Rader D. Rader	22	583	1,795	193	471	75	7	161	182	10	125	5	2	2,011	626	104	11	13	56	59	.262	.332	.349	.680	199	-13.9	.305	85	-34.2
23	Patrick Bailey P. Bailey	21	353	1,136	122	261	52	5	149	90	6	333	6	0	1,253	386	78	7	14	0	25	.230	.287	.340	.626	110	-38.6	.276	76	-36.2
24	Earl Smith E. Smith	21	315	795	91	235	29	11	132	89	6	40	11		900	349	61	10				.296	.371	.439	.810	133	24.4	.376	121	24.3
25	Nick Hundley N. Hundley	19	197	569	61	138	36	2	66	34	1	166	2	1	608	235	57	2	2	4	14	.243	.285	.413	.698	62	-10.9	.296	84	-12