1966 San Francisco 49ers Team Info
| League | Coach | Record | Postseason Record | Division Standing | End of Season |
| National Football League (NFL) | Jack Christiansen (6-6-2) | 6-6 | – | Finished 4th in the NFL’s West Division | – |
Roster
| Player | Pos. | Birth Date | Height | Weight | College |
| Kermit Alexander | DB | January 4, 1941 | 5’11’ | 187 | UCLA |
| Ed Beard | LB | December 9, 1939 | 6’1′ | 226 | Tennessee |
| Bruce Bosley | C-G-DE | November 5, 1933 | 6’2′ | 241 | West Virginia |
| John Brodie | QB | August 14, 1935 | 6’1′ | 198 | Stanford |
| Bernie Casey | HB-FL-TE-WR | June 8, 1939 | 6’4′ | 215 | Bowling Green |
| Joe Cerne | C | April 26, 1942 | 6’2′ | 240 | Northwestern |
| John Crow | HB-TE-FB | July 8, 1935 | 6’2′ | 220 | Texas A&M |
| Bob Daugherty | HB | October 4, 1942 | 6’1′ | 210 | Tulsa |
| Tommy Davis | K-P | October 13, 1934 | 6’0′ | 215 | LSU |
| George Donnelly | DB | September 4, 1942 | 6’3′ | 210 | Illinois |
| Mike Dowdle | LB-FB | December 6, 1937 | 6’3′ | 235 | Texas |
| Bob Harrison | LB | August 8, 1937 | 6’2′ | 225 | Oklahoma |
| Matt Hazeltine | LB | August 2, 1933 | 6’1′ | 220 | California |
| Stan Hindman | DE-DT | March 1, 1944 | 6’3′ | 235 | Mississippi |
| Jim Jackson | DB-HB | April 19, 1944 | 5’11’ | 193 | West. Illinois |
| Charlie Johnson | DT | September 29, 1944 | 6’1′ | 265 | Louisville |
| Jimmy Johnson | DB-HB | March 31, 1938 | 6’2′ | 187 | UCLA |
| Billy Kilmer | QB-HB | September 5, 1939 | 6’0′ | 204 | UCLA |
| Elbert Kimbrough | DB | March 24, 1938 | 5’11’ | 196 | Northwestern |
| Dave Kopay | RB | June 28, 1942 | 6’0′ | 218 | Washington |
| Kent Kramer | TE | July 21, 1944 | 6’4′ | 235 | Minnesota |
| Charlie Krueger | DT-DE | January 28, 1937 | 6’4′ | 256 | Texas A&M |
| Roland Lakes | DT-DE-T-DT | December 25, 1939 | 6’4′ | 279 | Wichita St. |
| Gary Lewis | RB | February 22, 1942 | 6’3′ | 225 | Washington St. |
| Dave McCormick | T | July 10, 1943 | 6’6′ | 250 | LSU |
| Kay McFarland | WR | April 10, 1938 | 6’2′ | 186 | Colorado St. |
| Clark Miller | DE | August 11, 1938 | 6’5′ | 245 | Utah St. |
| George Mira | QB | January 11, 1942 | 6’0′ | 190 | Miami (FL) |
| Howard Mudd | G | February 10, 1942 | 6’2′ | 254 | Michigan St. |
| Jim Norton | DE-DT-T-E | November 18, 1942 | 6’4′ | 254 | Washington |
| Dave Parks | SE-TE-WR | December 25, 1941 | 6’2′ | 220 | Texas Tech |
| Mel Phillips | DB | January 6, 1942 | 6’2′ | 198 | North Carolina A&T |
| Al Randolph | DB | July 8, 1944 | 6’2′ | 205 | Iowa |
| Walt Rock | T-DT | November 4, 1941 | 6’5′ | 255 | Maryland |
| Len Rohde | T | April 16, 1938 | 6’4′ | 247 | Utah St. |
| Monty Stickles | TE-SE | August 16, 1938 | 6’4′ | 235 | Notre Dame |
| Wayne Swinford | DB-WR | May 3, 1943 | 6’0′ | 192 | Georgia |
| John Thomas | G-T-LB | January 25, 1935 | 6’4′ | 246 | Pacific |
| Dave Wilcox | LB | September 29, 1942 | 6’3′ | 241 | Boise St. |
| Ken Willard | RB | July 14, 1943 | 6’1′ | 219 | North Carolina |
| Jim Wilson | G-T | June 12, 1942 | 6’3′ | 258 | Georgia |
| Dick Witcher | WR-FL-SE-TE | October 10, 1944 | 6’3′ | 204 | UCLA |