Mario Lemieux posted 40 hat tricks in his career.

list of lemieux regular-season hattricks

	NAME	HT	SEASON	TM	GP	G	A	P	+/-	PIM	PPG	PPA	SHG	SHA	GWG	OTG	S	S%	FOW	FO	FOW%	HIT	BKS	TKA	GVA	TOI/GP
1	Mario Lemieux M. Lemieux	0	1984-85	PIT	73	43	57	100	-33	54	11	22	0	0	2	1	209	20.6
2	Mario Lemieux M. Lemieux	1	1985-86	PIT	79	48	93	141	-8	43	17	49	0	0	4	1	276	17.4
3	Mario Lemieux M. Lemieux	6	1986-87	PIT	63	54	53	107	+12	57	19	19	0	0	4	2	267	20.2
4	Mario Lemieux M. Lemieux	5	1987-88	PIT	77	70	98	168	+23	92	22	58	10	4	7	2	382	18.3
5	Mario Lemieux M. Lemieux	9	1988-89	PIT	76	85	114	199	+41	100	31	48	13	5	8	1	313	27.2
6	Mario Lemieux M. Lemieux	4	1989-90	PIT	59	45	78	123	-18	78	14	35	3	0	4	0	226	19.9
7	Mario Lemieux M. Lemieux	1	1990-91	PIT	26	19	26	45	+8	30	6	7	1	0	2	0	89	21.3
8	Mario Lemieux M. Lemieux	1	1991-92	PIT	64	44	87	131	+27	94	12	35	4	6	5	0	249	17.7
9	Mario Lemieux M. Lemieux	4	1992-93	PIT	60	69	91	160	+55	38	16	39	6	3	10	0	286	24.1
10	Mario Lemieux M. Lemieux	0	1993-94	PIT	22	17	20	37	-2	32	7	8	0	0	4	0	92	18.5
11	Mario Lemieux M. Lemieux	6	1995-96	PIT	70	69	92	161	+10	54	31	48	8	1	8	2	338	20.4
12	Mario Lemieux M. Lemieux	2	1996-97	PIT	76	50	72	122	+27	65	15	22	3	3	7	0	327	15.3
13	Mario Lemieux M. Lemieux	1	2000-01	PIT	43	35	41	76	+15	18	16	16	1	0	5	1	171	20.5	444	852	52.1	29	23	30	47	24:20
14	Mario Lemieux M. Lemieux	0	2001-02	PIT	24	6	25	31	0	14	2	12	0	0	0	0	75	8.0	158	354	44.6	5	7	17	21	22:16
15	Mario Lemieux M. Lemieux	0	2002-03	PIT	67	28	63	91	-25	43	14	31	0	0	4	1	235	11.9	474	1,029	46.1	7	8	10	22	23:05
16	Mario Lemieux M. Lemieux	0	2003-04	PIT	10	1	8	9	-2	6	0	4	0	0	0	0	21	4.8	85	173	49.1	3	1	3	2	22:24
17	Mario Lemieux M. Lemieux	0	2005-06	PIT	26	7	15	22	-16	16	3	12	0	0	0	0	77	9.1	253	457	55.4	8	6	10	30	19:22
	Total	40			915	690	1,033	1,723	+114	834	236	465	49	22	74	11	3,633	19.0	1,414	2,865	49.4	52	45	70	122	22:40