most sacks in a season by 49ers player

Aldon Smith has the most sacks for the 49ers in a season, with 19.5 sacks in 2012.

Interpreted as:
most defensive sacks in a season by 49ers player
NAMESCKSEASONTMGPTKLASTCOMBSCKYINTINT YDSINT TDFFFRFR TD
1Aldon Smith
A. Smith
19.5
2012
SF SF
16
50
16
66
144.5
1
6
0
3
0
0
2Nick Bosa
N. Bosa
18.5
2022
SF SF
16
41
10
51
137.5
0
0
0
2
0
0
3Fred Dean
F. Dean
17.5
1983
SF SF
16
0
0
0
0
0
4Tim Harris
T. Harris
17.0
1992
SF SF
16
0
0
0
1
0
5Charles Haley
C. Haley
16.0
1990
SF SF
16
0
0
0
1
0
6Nick Bosa
N. Bosa
15.5
2021
SF SF
17
40
12
52
122
0
0
0
4
0
0
7Chris Doleman
C. Doleman
15.0
1998
SF SF
16
0
0
0
2
0
8Dana Stubblefield
D. Stubblefield
15.0
1997
SF SF
16
0
0
0
0
0
9Aldon Smith
A. Smith
14.0
2011
SF SF
16
31
6
37
104.5
0
0
0
2
1
0
10Dwaine Board
D. Board
13.0
1983
SF SF
16
0
0
0
5
1
11Andre Carter
A. Carter
12.5
2002
SF SF
16
45
9
54
84
0
0
0
3
1
0
12Roy Barker
R. Barker
12.5
1996
SF SF
16
0
0
0
0
0
13DeForest Buckner
D. Buckner
12.0
2018
SF SF
16
44
23
67
71
0
0
0
0
1
0
14Roy Barker
R. Barker
12.0
1998
SF SF
16
1
-4
0
0
0
15Chris Doleman
C. Doleman
12.0
1997
SF SF
16
0
0
0
1
0
16Charles Haley
C. Haley
12.0
1986
SF SF
16
1
8
0
2
0
17Bryant Young
B. Young
11.5
1996
SF SF
16
0
0
0
1
0
18Charles Haley
C. Haley
11.5
1988
SF SF
16
0
0
0
2
0
19Dwaine Board
D. Board
11.5
1985
SF SF
16
0
0
0
1
0
20Bryant Young
B. Young
11.0
1999
SF SF
16
0
0
0
0
0
21Chris Doleman
C. Doleman
11.0
1996
SF SF
16
2
1
0
3
1
22Jeff Stover
J. Stover
11.0
1986
SF SF
15
0
0
0
0
0
23Nick Bosa
N. Bosa
10.5
2023
SF SF
17
34
19
53
58.5
0
0
0
2
1
0
24Kevin Greene
K. Greene
10.5
1997
SF SF
14
0
0
0
2
1
25Dana Stubblefield
D. Stubblefield
10.5
1993
SF SF
16
0
0
0
0
0
StatMuse has season-level data for sacks going back to the 1982 season.

More 49ers Stats

Team Rankings

PPG

23.6

14th

OPP PPG

20.7

8th

RUSH YDS/G

98.5

26th

PASS YDS/G

253.7

8th

2025 Division Standings
TEAMWLTPCT
Rams Rams
9
3
0
.750
Seahawks Seahawks
9
3
0
.750
49ers 49ers
9
4
0
.692
Cardinals Cardinals
3
9
0
.250
Schedule
DATEMATCHUPTIME (ET)
Sun
12/14
TEN TEN
@
SF SF
4:25 PM
Mon
12/22
SF SF
@
IND IND
8:15 PM
Sun
12/28
CHI CHI
@
SF SF
8:20 PM
Sun
1/4
SEA SEA
@
SF SF
1:00 PM
Last Game
SF 49ers

9 - 4

26

Final

8

CLE Browns

3 - 9

Sun 30 Nov 2025

NFL 2025 Leaders

NFL 2025 Rankings

NFL Fantasy 2025

NFL 2025 Betting

NFL 2025 Division Standings

AFC EastWLTPCT
Patriots Patriots
11
2
0
.846
Bills Bills
8
4
0
.667
AFC NorthWLTPCT
Ravens Ravens
6
6
0
.500
Steelers Steelers
6
6
0
.500
AFC SouthWLTPCT
Jaguars Jaguars
8
4
0
.667
Colts Colts
8
4
0
.667
AFC WestWLTPCT
Broncos Broncos
10
2
0
.833
Chargers Chargers
8
4
0
.667
NFC EastWLTPCT
Eagles Eagles
8
4
0
.667
Cowboys Cowboys
6
6
1
.500
NFC NorthWLTPCT
Bears Bears
9
3
0
.750
Packers Packers
8
3
1
.708
NFC SouthWLTPCT
Buccaneers Buccaneers
7
5
0
.583
Panthers Panthers
7
6
0
.538
NFC WestWLTPCT
Rams Rams
9
3
0
.750
Seahawks Seahawks
9
3
0
.750

NFL 2025 Scores & Schedule

Scores

DATEMATCHUPSCORE
Wed
9/3
DAL DAL
@
PHI PHI
20-24
Thu
9/4
KC KC
@
LAC LAC
21-27
Sat
9/6
PIT PIT
@
NYJ NYJ
34-32
Sat
9/6
TB TB
@
ATL ATL
23-20
Sat
9/6
LV LV
@
NE NE
20-13

Schedule

DATEMATCHUPTIME (ET)
Sun
12/7
PIT PIT
@
BAL BAL
1:00 PM
Sun
12/7
SEA SEA
@
ATL ATL
1:00 PM
Sun
12/7
TEN TEN
@
CLE CLE
1:00 PM
Sun
12/7
IND IND
@
JAX JAX
1:00 PM
Sun
12/7
WAS WAS
@
MIN MIN
1:00 PM