| No |
Pilote |
Team |
Voiture |
| 00 | Danny Ongais/George Follmer/Ted Field | Vasek Polak/Interscope Racing | Porsche GT 911 |
| 1 | Jacky Ickx/Jochen Mass | Martini Racing | Porsche 935 |
| 01 | Bob Bergstrom/Jim Cook | Bob Bergstrom | Porsche 911 |
| 02 | Al Levenson/Dan Rice/Guido Levetto | Al Levenson | Chevrolet Corvette |
| 2 | David Hobbs/Ronnie Peterson/Sam Posey | BMW North America | BMW 320i Turbo |
| 03 | Bruno Beilcke/Alf Gebhardt | Bavarian Motors Internation | BMW 2002 |
| 3 | Carlo Facetti/Martino Finotto/Romeo Camathias | Jolly Club | Porsche 935 |
| 05 | Jim Trueman/Jerry Thompson/Don Yenko | Jim Trueman | Chevrolet Monza |
| 6 | Amos Johnson/Dennis Shaw/Steve Anderson | Amos Johnson | AMC Gremlin |
| 6 | Bill Boye/Jere Gillan | Bill Boye | AMC Gremlin |
| 07 | Charles Mendez/Dave Cowart/Dave Panaccione | Charles Mendez | Porsche 911T |
| 7 | Anatoly Arutunoff/José Marina/Brian Goellnicht | Anatoly Arutunoff | Lancia Stratos |
| 8 | Reinhold Jöst/Bob Wollek/Albrecht Krebs | Porsche Kremer Racing | Porsche 935 |
| 9 | Klaus Bytzek/Harry Bytzek/Rudy Bartling | Bytzek Brothers | Porsche Carrera RSR |
| 10 | M.L.Speer/Windle Turley/Hal Sahlman | Race Car | Porsche 911S |
| 13 | Bob Fryer/Richard Bostyan/Ed Lowther | University of Pittsburgh | AMC Javelin |
| 14 | Al Holbert/Michael Keyser/Claude Ballot-Léna | Holbert Racing | Chevrolet Monza |
| 17 | Vince Gimondo/Tim Chitwood | Tim Chitwood | Chevrolet Nova |
| 18 | Jack Swanson/Terry Wolters | Terry Wolters | Chevrolet Camaro |
| 20 | Jean Rondeau/Jean-Pierre Beltoise | Inaltera | Inaltera Ford |
| 21 | Christine Beckers/Lella Lombardi | Inaltera | Inaltera Ford |
| 24 | Tom Frank/Carl Shafer | Tom Frank | Porsche Carrera RSR |
| 27 | Ray Mummery/Jack Refenning/Ralph Noseda | Jack Refenning | Porsche 911S |
| 28 | Richard Weiss/Bill Alsup/Raymond Gage | Richard Weiss | Porsche 911S |
| 30 | George Dyer/Brad Frisselle | George Dyer | Porsche Carrera 911 |
| 33 | Ara Dube/Harro Zitza/Joe Castellano | Ara Dube | Porsche 911 |
| 34 | George Drolsom/Bill Scott/Tom Bagley | George Drolsom | Porsche 911S |
| 38 | John Paul/John O'Steen/Bob Hagestad | John Paul | Porsche Carrera 911 |
| 39 | Wiley Doran/Jim Barnett/Charles Pelz | Wiley Doran | Chevrolet Corvette |
| 40 | Andre Sepelon/Bob Lee/Larry Parker | Robert V.LaMay | Ford Mustang |
| 41 | Herb Jones Jr/Steve Faul | Herb Jones Jr | Chevrolet Camaro |
| 42 | Bob Hindson/Frank Carney/Dick Davenport | Bob Hindson | Porsche 911S |
| 43 | Hurley Haywood/John Graves/Dave Helmick | Ecurie Escargot | Porsche Carrera 911 |
| 46 | Mauricio DeNarvaez/Albert Naon/John Freyre | Mauricio DeNarvaez | Porsche Carrera RSR |
| 47 | John Fitzpatrick/Kenper Miller/Paul Miller | Miller Brothers | BMW 3.0 CSL |
| 48 | Luis Sereix/John Carusso/Emory Donaldson | John Carusso | Chevrolet Corvette |
| 49 | Sam Fillingham/Mike Williamson/K.P.Jones | Sam Fillingham | Chevrolet Corvette |
| 50 | Tom Waugh/John Rulon-Miller/Bob Punch | Tom Waugh | AMC Hornet |
| 51 | Robert Kirby/John Hotchkis/Dennis Aase | Kirby/Hitchcock | Porsche 914/6 |
| 55 | Rick Thompkins/Dave Heinz/Lamar Mann | Rick Thompkins | Chevrolet Corvette |
| 58 | Diego Febles/Mandy Gonzalez/Hiram Cruz | Diego Febles | Porsche Carrera 911 |
| 60 | Rusty Bond/Ren Tilton/John Thomas | Bond/Tilson | Porsche 911S |
| 61 | Peter Gregg/Jim Busby | Brumos Racing | Porsche 934 |
| 63 | Ted Field/Jon Woodner/Howdy Holmes | Ted Field | Porsche Carrera RSR |
| 64 | Elliot Forbes-Robinson/Paul Newman/Milt Minter | Ramsey Ferrari/Modena Sport | Ferrari 365 GTB/4 |
| 65 | Bobby Carradine/John Morton/Roy Woods | Ramsey Ferrari/Modena Sport | Ferrari 365 GTB/4 |
| 66 | Tony Adamowicz/John Cannon/Dick Barbour | Ramsey Ferrari/Modena Sport | Ferrari 365 GTB/4 |
| 70 | Adrian Gang/W.K.Gonzalez/Tim Duke | Michael Callas | Porsche Carrera RSR |
| 71 | John Higgins/Chip Mead/Dave White | Foreign Exchange | Porsche 911 |
| 72 | Bill Arnold/Carl Thompson/Billy Hagan | Bill Arnold | Chevrolet Corvette |
| 73 | Clark Howey/David Crabtree/Dale Koch | Clark Howey | Chevrolet Corvette |
| 77 | Burt Greenwood/Rick Mancuso/John Cargill/Dave Heinz | Rick Mancuso | Chevrolet Corvette |
| 78 | Babe Headley/Sam Feinstein/Skip Panzarella | Babe Headley | Chevrolet Corvette |
| 79 | Michael Callas/Jerry Jolly/ | Michael Callas | Porsche Carrera |
| 80 | Carm Solomone/Fred Lang/Buzz Fyhrie | Carmon Solomone | Chevrolet Camaro |
| 84 | Russ Boykin/Sam Henderson/C.C.Canada | Lenton B.McGill | Chevrolet Camaro |
| 96 | Gene Felton/Buzz Cason/James Reeve | Clay Young | Chevrolet Camaro |
| 98 | Ralph Tolman/Mike Brockman/Sam Sommers | Ralph Tolman | Lotus Europa |
| 99 | Phil Currin/Rob Hoskins/Peter Knab | Phil Currin | Chevrolet Corvette |
24 Heures de Daytona 1977