Brock Purdy has the most passing yards by a 49ers quarterback in a season, with 4,280 yards in 2023.
| NAME | YDS | SEASON | TM | GP | CMP | ATT | PCT | AVG | YDS/G | TD | INT | RTG | TD% | INT% | SCK | SCKY | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | B. Purdy | 4,280 | 2023 |  SF | 16 | 308 | 444 | 69.4 | 9.6 | 267.5 | 31 | 11 | 113.0 | 7.0 | 2.5 | 28 | 153 |
| 2 |  | J. Garcia | 4,278 | 2000 | SF | 16 | 355 | 561 | 63.3 | 7.6 | 267.4 | 31 | 10 | 97.6 | 5.5 | 1.8 | 24 | 155 |
| 3 |  | S. Young | 4,170 | 1998 | SF | 15 | 322 | 517 | 62.3 | 8.1 | 278.0 | 36 | 12 | 101.1 | 7.0 | 2.3 | 48 | 234 |
| 4 | | S. Young | 4,023 | 1993 | SF | 16 | 314 | 462 | 68.0 | 8.7 | 251.4 | 29 | 16 | 101.5 | 6.3 | 3.5 | 31 | 160 |
| 5 |  | J. Garoppolo | 3,978 | 2019 | SF | 16 | 329 | 476 | 69.1 | 8.4 | 248.6 | 27 | 13 | 102.0 | 5.7 | 2.7 | 36 | 237 |
| 6 | | S. Young | 3,969 | 1994 | SF | 16 | 324 | 461 | 70.3 | 8.6 | 248.1 | 35 | 10 | 112.8 | 7.6 | 2.2 | 31 | 163 |
| 7 |  | J. Montana | 3,944 | 1990 | SF | 15 | 321 | 520 | 61.7 | 7.6 | 262.9 | 26 | 16 | 89.0 | 5.0 | 3.1 | 29 | 153 |
| 8 | | J. Montana | 3,910 | 1983 | SF | 16 | 332 | 515 | 64.5 | 7.6 | 244.4 | 26 | 12 | 94.6 | 5.0 | 2.3 | 33 | 224 |
| 9 | | J. Garoppolo | 3,810 | 2021 | SF | 15 | 301 | 441 | 68.3 | 8.6 | 254.0 | 20 | 12 | 98.7 | 4.5 | 2.7 | 29 | 201 |
| 10 | | J. Montana | 3,653 | 1985 | SF | 15 | 303 | 494 | 61.3 | 7.4 | 243.5 | 27 | 13 | 91.3 | 5.5 | 2.6 | 35 | 246 |
| 11 | | S. DeBerg | 3,652 | 1979 | SF | 16 | 347 | 578 | 60.0 | 6.3 | 228.3 | 17 | 21 | 73.1 | 2.9 | 3.6 | 17 | 119 |
| 12 | | J. Montana | 3,630 | 1984 | SF | 16 | 279 | 432 | 64.6 | 8.4 | 226.9 | 28 | 10 | 102.9 | 6.5 | 2.3 | 22 | 138 |
| 13 | | J. Montana | 3,565 | 1981 | SF | 16 | 311 | 488 | 63.7 | 7.3 | 222.8 | 19 | 12 | 88.4 | 3.9 | 2.5 | 26 | 193 |
| 14 | | J. Garcia | 3,538 | 2001 | SF | 16 | 316 | 504 | 62.7 | 7.0 | 221.1 | 32 | 12 | 94.8 | 6.3 | 2.4 | 26 | 114 |
| 15 | | J. Montana | 3,521 | 1989 | SF | 13 | 271 | 386 | 70.2 | 9.1 | 270.8 | 26 | 8 | 112.4 | 6.7 | 2.1 | 33 | 198 |
| 16 | | S. Young | 3,465 | 1992 | SF | 16 | 268 | 402 | 66.7 | 8.6 | 216.6 | 25 | 7 | 107.0 | 6.2 | 1.7 | 29 | 152 |
| 17 |  | C. Kaepernick | 3,369 | 2014 | SF | 16 | 289 | 478 | 60.5 | 7.0 | 210.6 | 19 | 10 | 86.4 | 4.0 | 2.1 | 52 | 344 |
| 18 | | J. Garcia | 3,344 | 2002 | SF | 16 | 328 | 528 | 62.1 | 6.3 | 209.0 | 21 | 10 | 85.6 | 4.0 | 1.9 | 17 | 93 |
| 19 | | S. Young | 3,200 | 1995 | SF | 11 | 299 | 447 | 66.9 | 7.2 | 290.9 | 20 | 11 | 92.3 | 4.5 | 2.5 | 25 | 115 |
| 20 | | C. Kaepernick | 3,197 | 2013 | SF | 16 | 243 | 416 | 58.4 | 7.7 | 199.8 | 21 | 8 | 91.6 | 5.0 | 1.9 | 39 | 231 |
| 21 |  | A. Smith | 3,144 | 2011 | SF | 16 | 273 | 445 | 61.3 | 7.1 | 196.5 | 17 | 5 | 90.7 | 3.8 | 1.1 | 44 | 263 |
| 22 | | J. Brodie | 3,112 | 1965 | SF | 13 | 242 | 391 | 61.9 | 8.0 | 239.4 | 30 | 16 | 95.3 | 7.7 | 4.1 | ||
| 23 | | J. Montana | 3,054 | 1987 | SF | 13 | 266 | 398 | 66.8 | 7.7 | 234.9 | 31 | 13 | 102.1 | 7.8 | 3.3 | 22 | 158 |
| 24 | | B. Purdy | 3,032 | 2024 | SF | 12 | 233 | 349 | 66.8 | 8.7 | 252.7 | 15 | 8 | 98.7 | 4.3 | 2.3 | 23 | 110 |
| 25 | | S. Young | 3,029 | 1997 | SF | 15 | 241 | 356 | 67.7 | 8.5 | 201.9 | 19 | 6 | 104.7 | 5.3 | 1.7 | 35 | 220 |
StatMuse has season-level data for passing yards going back to the 1932 season.
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23.7
11th
OPP PPG
23.7
21st
RUSH YDS/G
138.9
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PASS YDS/G
248.5
9th
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| NFC East | W | L | T | PCT |
|---|---|---|---|---|
 Eagles | 11 | 2 | 0 | .846 |
 Commanders | 8 | 5 | 0 | .615 |
| NFC North | W | L | T | PCT |
 Lions | 12 | 1 | 0 | .923 |
 Vikings | 11 | 2 | 0 | .846 |
| NFC South | W | L | T | PCT |
 Buccaneers | 7 | 6 | 0 | .538 |
 Falcons | 6 | 7 | 0 | .462 |
| NFC West | W | L | T | PCT |
 Seahawks | 8 | 5 | 0 | .615 |
 Rams | 7 | 6 | 0 | .538 |
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