Derek Jeter has gotten the most career doubles in the postseason, with 32 doubles.

Interpreted as:

most career postseason doubles by a player

	NAME	2B	G	AB	R	H	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Derek Jeter D. Jeter	32	158	650	111	200	5	20	61	66	5	135	18	5	734	302	57	9	4	3	14	.308	.374	.465	.838
2	Bernie Williams B. Williams	29	121	465	83	128	0	22	80	71	3	85	8	5	545	223	51	0	6	11	17	.275	.371	.480	.850
3	Mookie Betts M. Betts	26	86	341	57	89	1	8	40	46	2	60	16	1	394	141	35	0	5	7	6	.261	.348	.413	.761
4	Jorge Posada J. Posada	23	125	416	53	103	1	11	42	70	3	109	3	3	492	161	35	0	3	9	15	.248	.358	.387	.745
5	David Ortiz D. Ortiz	22	85	304	51	88	2	17	61	59	2	72	0	1	369	165	41	0	4	11	4	.289	.404	.543	.947
6	Jose Altuve J. Altuve	21	105	436	89	118	0	27	56	43	2	75	9	5	484	220	48	0	3	2	15	.271	.337	.505	.841
7	George Springer G. Springer	21	80	330	56	88	0	23	47	36	4	86	4	1	371	178	44	0	1	1	5	.267	.345	.539	.884
8	Carlos Correa C. Correa	19	85	323	38	91	0	18	63	31	4	84	1	0	358	164	37	0	0	2	8	.282	.352	.508	.860
9	Justin Turner J. Turner	19	87	317	43	86	1	13	42	38	13	59	5	0	370	146	33	0	2	1	6	.271	.370	.461	.831
10	Yadier Molina Y. Molina	19	104	373	29	102	0	4	36	27	3	44	1	1	406	133	23	1	2	6	13	.273	.326	.357	.682
11	Manny Ramirez M. Ramirez	19	111	410	67	117	0	29	78	72	5	91	1	1	493	223	48	0	6	12	17	.285	.394	.544	.937
12	Alex Bregman A. Bregman	18	102	380	63	91	1	19	55	56	9	66	3	1	447	168	38	0	2	4	11	.239	.349	.442	.791
13	Albert Pujols A. Pujols	18	88	304	57	97	1	19	54	50	5	46	1	2	360	174	38	0	1	20	7	.319	.422	.572	.995
14	Chipper Jones C. Jones	18	93	338	58	97	0	13	47	72	1	61	8	3	417	154	31	1	5	11	10	.287	.409	.456	.864
15	Corey Seager C. Seager	17	78	299	55	76	1	19	48	42	3	79	3	0	346	152	37	0	2	3	6	.254	.350	.508	.858
16	Freddie Freeman F. Freeman	17	74	276	37	74	1	15	37	39	5	61	3	0	321	138	33	0	1	5	4	.268	.368	.500	.868
17	David Freese D. Freese	17	69	204	26	61	2	10	36	20	4	55	0	1	230	112	29	0	2	2	9	.299	.370	.549	.919
18	Ben Zobrist B. Zobrist	17	64	228	34	55	1	4	14	21	1	38	1	0	253	86	22	1	2	2	5	.241	.306	.377	.683
19	David Justice D. Justice	17	112	398	55	89	2	14	63	64	5	79	3	2	471	152	33	0	4	7	7	.224	.335	.382	.717
20	Paul O'Neill P. O'Neill	17	85	299	39	85	2	11	39	38	0	41	5	0	340	139	30	1	2	2	12	.284	.363	.465	.828
21	Jim Edmonds J. Edmonds	16	64	230	33	63	0	13	42	30	2	72	2	2	263	118	29	0	1	3	1	.274	.361	.513	.874
22	Alex Rodriguez A. Rodriguez	16	76	278	43	72	0	13	41	39	9	77	8	3	330	127	29	1	3	4	6	.259	.365	.457	.822
23	Roberto Alomar R. Alomar	16	58	230	32	72	1	4	33	27	0	32	20	2	263	102	21	3	3	3	9	.313	.381	.443	.824
24	Yuli Gurriel Y. Gurriel	15	92	348	35	91	1	8	39	28	2	36	5	0	380	132	24	0	2	5	7	.261	.318	.379	.698
25	Jhonny Peralta J. Peralta	15	58	211	18	54	0	8	26	15	1	45	2	0	229	93	23	1	1	0	9	.256	.307	.441	.748