Lawrence Timmons and James Farrior are tied for the most tackles for the Steelers in a season, with 96 tackles.

NAME	SEASON	TM	GP	TKL	AST	COMB	SCK	SCKY	INT	INT YDS	INT TD	FF	FR	FR TD
Lawrence Timmons	2010	PIT	16	96	39	135	3.0	10	2	5	0	2	2	0
James Farrior	2003	PIT	16	96	45	141	0.0	0	1	9	0	0	1	0
James Farrior	2008	PIT	16	89	44	133	3.5	23	0	0	0	1	1	0
Lawrence Timmons	2014	PIT	16	87	45	132	2.0	11	0	0	0	0	0	0
Lawrence Timmons	2013	PIT	16	86	40	126	3.0	24	2	26	0	1	1	0
James Farrior	2006	PIT	16	85	43	128	4.0	29	1	1	0	2	1	0
Earl Holmes	2001	PIT	16	85	33	118	2.0	17	0	0	0	2	1	0
Minkah Fitzpatrick	2021	PIT	16	84	40	124	0.0	0	2	18	0	1	1	0
Kendrell Bell	2003	PIT	16	81	19	100	5.0	36	1	61	0	1	1	0
James Farrior	2010	PIT	16	80	29	109	6.0	29	0	0	0	1	1	0
Lawrence Timmons	2016	PIT	16	78	36	114	2.5	22	2	74	0	1	0	0
Lawrence Timmons	2015	PIT	16	77	42	119	5.0	36.5	1	0	0	1	0	0
James Harrison	2007	PIT	16	76	22	98	8.5	54	1	20	0	7	3	0
James Farrior	2005	PIT	14	76	45	121	2.0	20	0	0	0	2	1	0
Larry Foote	2005	PIT	16	76	26	102	3.0	20	0	0	0	0	1	0
Larry Foote	2012	PIT	16	75	38	113	4.0	29	0	0	0	2	2	0
Lawrence Timmons	2012	PIT	16	75	31	106	6.0	51	3	80	1	2	1	0
Ike Taylor	2005	PIT	16	75	16	91	0.0	0	1	0	0	0	2	0
Ryan Clark	2012	PIT	15	74	28	102	0.0	0	2	26	0	2	1	0
Bryant McFadden	2010	PIT	16	74	7	81	2.0	16	2	-3	0	2	0	0
Troy Polamalu	2005	PIT	16	74	18	92	3.0	33	2	42	0	1	2	1
Devin Bush	2019	PIT	16	72	37	109	1.0	9	2	6	0	1	4	1
Terrell Edmunds	2019	PIT	16	71	34	105	0.0	0	0	0	0	0	0	0
Sean Davis	2017	PIT	16	71	21	92	1.0	12	3	76	0	1	0	0
Ryan Clark	2011	PIT	16	71	29	100	1.0	7	1	10	0	0	0	0

StatMuse has season-level data for tackles going back to the 2001 season.