Jim Fahnhorst

Sacks	1.0
Interceptions	7
	Stats at Pro Football Reference

Jim Fahnhorst
No. 55
Position	Linebacker
Personal information
Born	November 8, 1958; St. Cloud, Minnesota, U.S.
Died	September 17, 2025 (aged 66)
Height	6 ft 4 in (1.93 m)
Weight	230 lb (104 kg)
Career information
High school	St. Cloud Technical
College	Minnesota
NFL draft	1982: 4th round, 92nd overall pick
Career history
	Minnesota Vikings (1982)*; Chicago Blitz (1983); Arizona Wranglers (1984); San Francisco 49ers (1984–1990);
	* Offseason and/or practice squad member only
Awards and highlights
	3× Super Bowl champion (XIX, XXIII, XXIV); First-team All-Big Ten (1981);
Career NFL statistics
Sacks
Sacks	1.0
Interceptions	7
	Stats at Pro Football Reference

James John Fahnhorst (November 8, 1958 – September 17, 2025) was an American professional football player who was a linebacker for the San Francisco 49ers of the National Football League (NFL) from 1984 through 1990. He was a member of three Super Bowl champions with the 49ers and was a starter in Super Bowl XIX, XXIII, and XXIV. Fahnhorst grew up in St. Cloud, Minnesota and graduated from St. Cloud Tech High School. He played college football for the Minnesota Golden Gophers, earning first-team All-Big Ten honors from AP and UPI in 1981.^[1] He is the younger brother of the late former 49ers' tackle Keith Fahnhorst.^[2] Graduating with a BA in psychology, and a minor in Criminology.

Fahnhorst also played two years in the United States Football League (USFL) for coaching legend George Allen in the spring/summer of 1983 and 1984 for the Chicago Blitz and Arizona Wranglers. He was a financial advisor and coached college football at Division III Macalester College and at Wayzata and Maple Grove High Schools in the Minneapolis area.

Fahnhorst died on September 17, 2025, at the age of 66.^[3]

References

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v t e San Francisco 49ers Super Bowl XIX champions
4 Max Runager 6 Matt Cavanaugh 14 Ray Wersching 16 Joe Montana (MVP) 19 Tom Orosz 21 Eric Wright 22 Dwight Hicks 24 Derrick Harmon 26 Wendell Tyler 27 Carlton Williamson 28 Tom Holmoe 29 Mario Clark 30 Bill Ring 32 Carl Monroe 33 Roger Craig 42 Ronnie Lott 43 Dana McLemore 49 Jeff Fuller 50 Riki Ellison 51 Randy Cross 52 Blanchard Montgomery 53 Milt McColl 54 Ron Ferrari 55 Jim Fahnhorst 56 Fred Quillan 57 Dan Bunz 58 Keena Turner 61 Jesse Sapolu 62 Guy McIntyre 64 Jack Reynolds 65 Lawrence Pillers 66 Allan Kennedy 67 Billy Shields 67 John Macaulay 68 John Ayers 71 Keith Fahnhorst 72 Jeff Stover 74 Fred Dean 76 Dwaine Board 77 Bubba Paris 78 Manu Tuiasosopo 79 Jim Stuckey 81 Russ Francis 83 Renaldo Nehemiah 84 Al Dixon 85 Mike Wilson 86 John Frank 87 Dwight Clark 88 Freddie Solomon 89 Earl Cooper 90 Todd Shell 94 Louie Kelcher 95 Michael Carter 97 Gary Johnson 98 Greg Boyd 99 Mike Walter
Head coach Bill Walsh
Coaches Paul Hackett Tommy Hart Norb Hecker Sherman Lewis Bobb McKittrick Bill McPherson George Seifert Ray Rhodes Fred von Appen

v t e San Francisco 49ers Super Bowl XXIII champions
4 Max Runager 6 Mike Cofer 8 Steve Young 9 Barry Helton 15 John Paye 16 Joe Montana 20 Tory Nixon 21 Eric Wright 22 Tim McKyer 24 Harry Sydney 25 Doug DuBose 26 Darryl Pollard 29 Don Griffin 31 Chet Brooks 32 Terrence Flagler 33 Roger Craig 35 Del Rodgers 38 Greg Cox 42 Ronnie Lott 44 Tom Rathman 46 Tom Holmoe 49 Jeff Fuller 50 Riki Ellison 51 Randy Cross 53 Bill Romanowski 54 Ron Hadley 55 Jim Fahnhorst 57 Sam Kennedy 58 Keena Turner 60 Chuck Thomas 61 Jesse Sapolu 62 Guy McIntyre 65 Jeff Bregel 67 Pete Kugler 69 Bruce Collie 72 Jeff Stover 74 Steve Wallace 75 Kevin Fagan 76 Dwaine Board 77 Bubba Paris 78 Pierce Holt 79 Harris Barton 80 Jerry Rice (MVP) 82 John Taylor 83 Terry Greer 84 Brent Jones 85 Mike Wilson 86 John Frank 89 Ron Heller 91 Larry Roberts 92 Kevin Lilly 94 Charles Haley 95 Michael Carter 96 Danny Stubbs 99 Michael Walter
Head coach: Bill Walsh
Coaches: Dennis Green Tommy Hart Mike Holmgren Sherman Lewis Bobb McKittrick Bill McPherson Ray Rhodes George Seifert Lynn Stiles Fred von Appen

v t e San Francisco 49ers Super Bowl XXIV champions
6 Mike Cofer 8 Steve Young 9 Barry Helton 13 Steve Bono 16 Joe Montana (MVP) 21 Eric Wright 22 Tim McKyer 23 Spencer Tillman 24 Harry Sydney 26 Darryl Pollard 27 Mike Richardson 30 Keith Henderson 31 Chet Brooks 32 Terrence Flagler 33 Roger Craig 40 Johnnie Jackson 42 Ronnie Lott 44 Tom Rathman 46 Tom Holmoe 49 Jeff Fuller 50 Riki Ellison 53 Bill Romanowski 54 Matt Millen 55 Jim Fahnhorst 56 Steve Hendrickson 58 Keena Turner 59 Keith DeLong 60 Chuck Thomas 61 Jesse Sapolu 62 Guy McIntyre 64 Jim Burt 65 Jeff Bregel 66 Terry Tausch 67 Pete Kugler 69 Bruce Collie 74 Steve Wallace 75 Kevin Fagan 76 Rollin Putzier 77 Bubba Paris 78 Pierce Holt 79 Harris Barton 80 Jerry Rice 81 Jamie Williams 82 John Taylor 83 Terry Greer 84 Brent Jones 85 Mike Wilson 86 Mike Barber 88 Mike Sherrard 89 Wesley Walls 91 Larry Roberts 94 Charles Haley 95 Michael Carter 96 Danny Stubbs 98 Antonio Goss 99 Michael Walter
Head coach: George Seifert
Coaches: Tommy Hart Mike Holmgren Al Lavan Sherman Lewis Bobb McKittrick Bill McPherson Ray Rhodes Lynn Stiles Bob Zeman