Roster
| Num | Name | Pos | Exp | Ht | Wt | Born | Birthplace | College |
| 91 | Arik Armstead | DT | 4 | 6-7 | 292 | 11/15/1993 | Sacramento, CA | Oregon |
| 3 | C.J. Beathard | QB | 2 | 6-2 | 215 | 11/16/1993 | Franklin, TN | Iowa |
| 98 | Ronald Blair III | DT | 3 | 6-4 | 270 | 1/21/1993 | Greensboro, NC | Appalachian State |
| 17 | Victor Bolden Jr. | WR | 2 | 5-8 | 178 | 4/4/1995 | Fontana, CA | Oregon State |
| 84 | Kendrick Bourne | WR | 2 | 6-1 | 203 | 8/4/1995 | Portland, OR | Eastern Washington |
| 22 | Matt Breida | RB | 2 | 5-11 | 190 | 2/28/1995 | Brandon, FL | Georgia Southern |
| 99 | DeForest Buckner | DT | 3 | 6-7 | 300 | 3/17/1994 | Waianae, HI | Oregon |
| 88 | Garrett Celek | TE | 7 | 6-5 | 252 | 5/29/1988 | Cincinnati, OH | Michigan State |
| 27 | Adrian Colbert | CB | 2 | 6-2 | 205 | 10/6/1993 | Wichita Falls, TX | Miami (FL) |
| 78 | Shon Coleman | T | 3 | 6-5 | 310 | 11/25/1991 | Memphis, TN | Auburn |
| 96 | Sheldon Day | DT | 3 | 6-1 | 294 | 7/1/1994 | Indianapolis, IN | Notre Dame |
| 82 | Ross Dwelley | TE | R | 6-5 | 240 | 1/26/1995 | Sonora, CA | San Diego |
| 38 | Antone Exum Jr. | S | 5 | 6-0 | 219 | 2/27/1991 | Richmond, VA | Virginia Tech |
| 56 | Reuben Foster | LB | 2 | 6-1 | 228 | 4/4/1994 | Auburn, AL | Alabama |
| 15 | Pierre Garcon | WR | 11 | 6-0 | 211 | 8/8/1986 | West Palm Beach, FL | Mount Union |
| 65 | Joshua Garnett | G | 3 | 6-5 | 305 | 2/21/1994 | Auburn, WA | Stanford |
| 76 | Garry Gilliam | T | 5 | 6-5 | 305 | 11/26/1990 | Harrisburg, PA | Penn State |
| 11 | Marquise Goodwin | WR | 6 | 5-9 | 180 | 11/19/1990 | Lubbock, TX | Texas |
| 9 | Robbie Gould | K | 14 | 6-0 | 190 | 12/6/1982 | Jersey Shore, PA | Penn State |
| 13 | Richie James Jr. | WR | R | 5-9 | 185 | 9/5/1995 | Middle Tennessee State | |
| 93 | D.J. Jones | DT | 2 | 6-0 | 321 | 1/19/1995 | Greenville, SC | Mississippi |
| 44 | Kyle Juszczyk | RB | 6 | 6-1 | 240 | 4/23/1991 | Medina, OH | Harvard |
| 85 | George Kittle | TE | 2 | 6-4 | 250 | 10/9/1993 | Madison, WI | Iowa |
| 47 | Elijah Lee | LB | 2 | 6-2 | 229 | 2/8/1996 | St. Joseph, MO | Kansas State |
| 26 | Greg Mabin | CB | 2 | 6-2 | 200 | 6/25/1994 | Fort Lauderdale, FL | Iowa |
| 62 | Erik Magnuson | T | 2 | 6-6 | 305 | 1/5/1994 | Carlsbad, CA | Michigan |
| 54 | Cassius Marsh | DE | 5 | 6-4 | 245 | 7/7/1992 | Mission Hills, CA | UCLA |
| 69 | Mike McGlinchey | T | R | 6-8 | 315 | 1/12/1995 | Notre Dame | |
| 90 | Earl Mitchell | NT | 9 | 6-3 | 310 | 9/25/1987 | Houston, TX | Arizona |
| 33 | Tarvarius Moore | S | R | 6-2 | 200 | 8/16/1996 | Southern Miss | |
| 46 | Alfred Morris | RB | 7 | 5-10 | 222 | 12/12/1988 | Pensacola, FL | Florida Atlantic |
| 31 | Raheem Mostert | RB | 4 | 5-10 | 197 | 4/9/1992 | Smyrna Beach, FL | Purdue |
| 4 | Nick Mullens | QB | 1 | 6-1 | 210 | 3/21/1995 | Hoover, AL | Southern Miss |
| 86 | Kyle Nelson | TE | 7 | 6-2 | 240 | 10/3/1986 | Waco, TX | New Mexico State |
| 53 | Mark Nzeocha | LB | 4 | 6-3 | 240 | 1/19/1990 | Neusitz, West Germany | Wyoming |
| 68 | Mike Person | C | 8 | 6-4 | 300 | 6/17/1988 | Glendive, MT | Montana State |
| 18 | Dante Pettis | WR | R | 6-1 | 195 | 10/23/1995 | Washington | |
| 5 | Bradley Pinion | P | 4 | 6-5 | 240 | 6/1/1994 | Concord, NC | Clemson |
| 32 | D.J. Reed Jr. | CB | R | 5-9 | 188 | 11/11/1996 | Kansas State | |
| 58 | Weston Richburg | C | 5 | 6-4 | 290 | 7/9/1991 | Louisville, KY | Colorado State |
| 14 | Tom Savage | QB | 5 | 6-4 | 230 | 4/26/1990 | Springfield, PA | Pittsburgh |
| 25 | Richard Sherman | CB | 8 | 6-3 | 195 | 3/30/1988 | Compton, CA | Stanford |
| 51 | Malcolm Smith | LB | 8 | 6-0 | 225 | 7/5/1989 | Northridge, CA | USC |
| 74 | Joe Staley | T | 12 | 6-5 | 295 | 8/30/1984 | Rockford, MI | Central Michigan |
| 29 | Jaquiski Tartt | S | 4 | 6-1 | 215 | 2/12/1992 | Mobile, AL | Samford |
| 77 | Jullian Taylor | DT | R | 6-5 | 280 | 1/30/1995 | Philadelphia, PA | Temple |
| 81 | Trent Taylor | WR | 2 | 5-8 | 180 | 4/30/1994 | Cookeville, TN | Louisiana Tech |
| 94 | Solomon Thomas | DE | 2 | 6-3 | 280 | 8/26/1995 | Chicago, IL | Stanford |
| 75 | Laken Tomlinson | G | 4 | 6-3 | 312 | 2/9/1992 | Jamaica | Duke |
| 20 | Jimmie Ward | S | 5 | 5-11 | 193 | 7/18/1991 | Racine, WI | Northern Illinois |
| 48 | Fred Warner | LB | R | 6-3 | 236 | 11/19/1996 | Brigham Young | |
| 24 | K'Waun Williams | CB | 4 | 5-9 | 185 | 7/12/1991 | Paterson, NJ | Pittsburgh |
| 23 | Ahkello Witherspoon | CB | 2 | 6-3 | 195 | 3/21/1995 | Oak Park, CA | Colorado |
Head Coach: Kyle Shanahan
Last updated Oct. 19, 1:15 a.m. ET
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