1966 Cleveland Browns Team Info
| League | Coach | Record | Postseason Record | Division Standing | End of Season |
| National Football League (NFL) | Blanton Collier (9-5) | 9-5 | – | Finished 2nd in the NFL’s East Division | – |
Roster
| Player | Pos. | Birth Date | Height | Weight | College |
| Erich Barnes | DB | July 4, 1935 | 6’2′ | 201 | Purdue |
| Jim Battle | T | September 18, 1941 | 6’5′ | 235 | Southern |
| Walter Beach | DB-RB | January 31, 1935 | 6’0′ | 190 | Central Michigan |
| Johnny Brewer | TE-LB-DE | March 8, 1937 | 6’4′ | 230 | Mississippi |
| John Brown | T | June 9, 1939 | 6’2′ | 248 | Syracuse |
| Monte Clark | T-DT-DE | January 24, 1937 | 6’6′ | 265 | USC |
| Gary Collins | FL-WR-P | August 20, 1940 | 6’5′ | 215 | Maryland |
| Vince Costello | LB | August 4, 1932 | 6’0′ | 230 | Ohio |
| Ross Fichtner | DB | October 26, 1938 | 6’0′ | 185 | Purdue |
| Galen Fiss | LB | July 10, 1931 | 6’0′ | 227 | Kansas |
| Bobby Franklin | DB | October 5, 1936 | 5’11’ | 182 | Mississippi |
| Bill Glass | DE-C-T | August 16, 1935 | 6’5′ | 252 | Baylor |
| Ernie Green | HB-FB | October 15, 1938 | 6’2′ | 205 | Louisville |
| Lou Groza | T-C-DT-K | January 25, 1924 | 6’3′ | 240 | Ohio St. |
| Charlie Harraway | RB | September 21, 1944 | 6’2′ | 215 | San Jose St. |
| Gene Hickerson | G | February 15, 1935 | 6’3′ | 248 | Mississippi |
| Fred Hoaglin | C | January 28, 1944 | 6’4′ | 250 | Pittsburgh |
| Jim Houston | LB-DE | November 3, 1937 | 6’3′ | 240 | Ohio St. |
| Mike Howell | DB | July 5, 1943 | 6’1′ | 195 | Grambling St. |
| Joe Isbell | G | July 7, 1940 | 6’1′ | 243 | Houston |
| Walter Johnson | DT | November 13, 1942 | 6’4′ | 265 | New Mexico St. |
| Jim Kanicki | DT | December 17, 1941 | 6’4′ | 270 | Michigan St. |
| Ernie Kellermann | DB | December 17, 1943 | 6’0′ | 183 | Miami (OH) |
| Leroy Kelly | RB | May 20, 1942 | 6’0′ | 202 | Morgan St. |
| Gary Lane | QB | December 21, 1942 | 6’1′ | 210 | Missouri |
| Dale Lindsey | LB | January 18, 1943 | 6’2′ | 223 | Kentucky |
| Clifton McNeil | WR-FL-SE | May 25, 1940 | 6’2′ | 187 | Grambling St. |
| Dick Modzelewski | DT | February 16, 1931 | 6’0′ | 250 | Maryland |
| Milt Morin | TE | October 15, 1942 | 6’4′ | 238 | Massachusetts |
| John Morrow | C-G | April 27, 1933 | 6’3′ | 244 | Michigan |
| Jim Ninowski | QB | March 26, 1936 | 6’1′ | 206 | Michigan St. |
| Frank Parker | DT | October 16, 1939 | 6’5′ | 270 | Oklahoma St. |
| Bernie Parrish | DB | April 29, 1936 | 5’11’ | 194 | Florida |
| Nick Pietrosante | FB | September 10, 1937 | 6’2′ | 225 | Notre Dame |
| Walter Roberts | WR-SE | February 15, 1942 | 5’9′ | 163 | San Jose St. |
| Frank Ryan | QB | July 12, 1936 | 6’3′ | 199 | Rice |
| Dick Schafrath | T-G-DE | March 21, 1937 | 6’3′ | 253 | Ohio St. |
| Randy Schultz | RB | November 17, 1943 | 6’0′ | 210 | Northern Iowa |
| Ralph Smith | TE | December 1, 1938 | 6’2′ | 215 | Mississippi |
| Paul Warfield | WR-SE | November 28, 1942 | 6’0′ | 188 | Ohio St. |
| Paul Wiggin | DE | November 18, 1934 | 6’3′ | 242 | Stanford |
| Sid Williams | LB | March 24, 1942 | 6’2′ | 235 | Southern |
| John Wooten | G | December 5, 1936 | 6’2′ | 235 | Colorado |