24 ur Le Mansa 1984 je bila dvainpetdeseta vzdržljivostna dirka 24 ur Le Mansa. Potekala je 16. in 17. junija 1984.

Poz	Razred	Št	Moštvo	Dirkači	Šasija	Motor	Krogi
1	C1	7	New-Man Joest Racing	Henri Pescarolo Klaus Ludwig	Porsche 956	Porsche 2.6L Turbo Flat-6	359
2	C1	26	Henn's T-Bird Swap Shop	Jean Rondeau John Paul, Jr. Preston Henn	Porsche 956	Porsche 2.6L Turbo Flat-6	357
3	C1	33	Skoal Bandit Porsche Team	David Hobbs Philippe Streiff Sarel van der Merwe	Porsche 956	Porsche 2.6L Turbo Flat-6	350
4	C1	9	Brun Motorsport GmbH	Walter Brun Prince Leopold von Bayern Bob Akin	Porsche 956	Porsche 2.6L Turbo Flat-6	339
5	C1	12	Schornstein Racing Team	Volkert Merl Dieter Schornstein Louis Krages	Porsche 956	Porsche 2.6L Turbo Flat-6	339
6	C1	11	Porsche Kremer Racing	Alan Jones Vern Schuppan Jean-Pierre Jarier	Porsche 956	Porsche 2.6L Turbo Flat-6	336
7	C1	20	Brun Motorsport GmbH	Massimo Sigala Oscar Larrauri Joël Gouhier	Porsche 956	Porsche 2.6L Turbo Flat-6	334
8	C1	4	Martini Lancia	Bob Wollek Alessandro Nannini	Lancia LC2	Ferrari 3.0L Turbo V8	325
9	C1	17	Porsche Kremer Racing	Tiff Needell David Sutherland Rusty French	Porsche 956	Porsche 2.6L Turbo Flat-6	320
10	C2	68	B.F. Goodrich Company	John O'Steen John Morton Yoshami Katayama	Lola T616	Mazda 13B 1.3L 2-Rotor	319
11	C2	93	Jean-Philippe Grand	Jean-Philippe Grand Jean-Paul Libert Pascal Witmeur	Rondeau M379	Ford Cosworth DFV 3.0L V8	309
12	C2	67	B.F. Goodrich Company	Jim Busby Boy Haye Rick Knoop	Lola T616	Mazda 13B 1.3L 2-Rotor	294
13	C1	37	McCormack and Dodge	Jim Mullen Walt Bohren Alain Ferté	Rondeau M482	Ford Cosworth DFL 3.3L V8	292
14	B	109	Helmut Gall	Philippe Dagoreau Jean-Francois Yvon Pierre de Thoisy	BMW M1	BMW 3.5L I6	291
15	C2	87	Mazdaspeed Co. Ltd.	David Kennedy Jean-Michel Martin Philippe Martin	Mazda 727C	Mazda 13B 1.3L 2-Rotor	290
16	B	106	Claude Haldi	Claude Haldi Altfrid Heger Jean Krucker	Porsche 930	Porsche 3.3L Turbo Flat-6	284
17	GTO	122	Raymond Touroul	Raymond Touroul Valentin Bertapelle Thierry Perrier	Porsche 911SC	Porsche 3.0L Flat-6	282
18	GTO	123	Equipe Alméras Fréres	Jean-Marie Alméras Jacques Alméras Tom Winters	Porsche 930	Porsche 3.3L Turbo Flat-6	268
19	C2	81	Scuderia Jolly Club	Almo Coppelli Davide Pavia Guido Dacco	Alba AR2	Giannini Carma FF 2.0L Turbo I4	261
20	C2	86	Mazdaspeed Co. Ltd.	Pierre Diudonné Takashi Yorino Yojiro Terada	Mazda 727C	Mazda 13B 1.3L 2-Rotor	261
21	C2	80	Scuderia Jolly Club	Martino Finotto Carlo Facetti Marco Vanoli	Alba AR2	Giannini Carma FF 2.0L Turbo I4	257
22	B	107	Raymond Boutinaud	Raymond Boutinaud Philippe Renault Giles Guinand	Porsche 928S	Porsche 4.7L V8	255

Poz	Razred	Št	Moštvo	Dirkači	Šasija	Motor	Krogi
23	GTP	44	Jaguar Group 44	Brian Redman Doc Bundy Bob Tullius	Jaguar XJR-5	Jaguar 6.0L V12	291
24	C1	21	Charles Ivey Racing	Alain de Cadenet Allan Grice Chris Craft	Porsche 956	Porsche 2.6L Turbo Flat-6	274
25	C1	5	Martini Lancia	Paolo Barilla Hans Heyer Mauro Baldi	Lancia LC2	Ferrari 3.0L Turbo V8	275
26	GTP	61	Henn's T-Bird Swap Shop	Michel Ferté Edgar Dören Preston Henn	Porsche 962C	Porsche 2.9L Turbo Flat-6	247
27	C1	34	Team Australia	Peter Brock Larry Perkins	Porsche 956	Porsche 2.6L Turbo Flat-6	145
28	C1	14	GTi Engineering	Jan Lammers Jonathan Palmer	Porsche 956	Porsche 2.6L Turbo Flat-6	145
29	C1	23	WM Secateva	Roger Dorchy Alain Couderc Gerard Patté	WM P83B	Peugeot 2.8L Turbo V6	122
30	GTO	121	Charles Ivey Racing	David Ovey Paul Smith Margie Smith-Haas	Porsche 930	Porsche 3.3 Turbo Flat-6	146
31	C1	47	Obermaier Racing	Jürgen Lässig George Fouché John Graham	Porsche 956	Porsche 2.6L Turbo Flat-6	147
32	GTP	40	Jaguar Group 44	Tony Adamowicz John Watson Claude Ballot-Léna	Jaguar XJR-5	Jaguar 6.0L V12	212
33	C1	50	Primagaz	Pierre Yver Bernard de Dryver Pierre-Francois Rousselot	Rondeau M382	Ford Cosworth DFV 3.0L V8	155
34	C1	13	Primagaz	Yves Courage Michel Dubois John Jellinek	Cougar C02	Ford Cosworth DFL 3.3L V8	153
35	C1	8	Joest Racing	Stefan Johansson Jean-Louis Schlesser Maurizio de Narvaez	Porsche 956	Porsche 2.6L Turbo Flat-6	170
36	C1	38	Dorset Racing Associates	Nick Faure Mike Galvin Richard Jones	Dome RC82	Ford Cosworth DFL 3.3L V8	156
37	C1	16	GTi Engineering	Richard Lloyd Nick Mason Rene Metge	Porsche 956	Porsche 2.6L Turbo Flat-6	139
38	C1	24	WM Secateva	Michel Pignard Jean-Daniel Raulet Pascal Pessiot	WM P83B	Peugeot 2.8L Turbo V6	74
39	C1	6	BP Résidences Malardeau Scuderia Jolly Club	Pierluigi Martini Xavier Lapeyre Beppe Gabbiani	Lancia LC2	Ferrari 3.0L Turbo V8	117
40	B	101	Jens Winther Team Castrol	Jens Winther David Mercer Lars-Viggo Jensen	BMW M1	BMW 3.5L I6	96
41	GTP	62	Pegasus Racing	Ken Marsden Jr. Marion L. Speer Wayne Pickering	March 84G	Buick 3.3L Turbo V6	95
42	C2	70	Spice Tiga Racing	Gordon Spice Ray Bellm Neil Crang	Tiga GC84	Ford Cosworth DFL 3.3L V8	69
43	C2	48	John Bartlett Racing	Francois Migault Steve Kempton Francois Servanin	Lola T610	Ford Cosworth DFL 3.3L V8	52
44	C2	77	Ecurie Ecosse	Mike Wilds David Duffield David Leslie	Ecosse C284	Ford Cosworth DFV 3.0L V8	36
45	C2	85	Hubert Striebig	Hubert Striebig Jacques Heuclin Noël del Bello	Sthemo SM C2	BMW 3.5L I6	42
46	C2	79	ADA Engineering	Ian Harrower Bob Wolff Glen Smith	ADA 01	Ford Cosworth DFL 3.3L V8	42
47	C1	45	Christian Bussi	Christian Bussi Jack Griffin Bruno Ilien	Rondeau M382	Ford Cosworth DFL 3.3L V8	49
48	GTX	27	Scuderia Bellancauto	Roberto Marazzi Maurizio Micangeli Dominique Lacaud	Ferrari 512BB/LM	Ferrari 5.0L Flat-12	65
49	B	114	Michel Lateste	Michel Lateste Michel Bienvault "Segolen"	Porsche 930	Porsche 3.3L Turbo Flat-6	70
50	C1	32	Viscount Downe Aston Martin	John Sheldon Mike Salmon Richard Attwood	Nimrod NRA/C2	Aston Martin-Tickford 5.3L V8	92
51	C1	31	Viscount Downe Aston Martin	Ray Mallock Drake Olson	Nimrod NRA/C2	Aston Martin-Tickford 5.3L V8	94
52	C1	55	Skoal Bandit Porsche Team	Rupert Keegan Guy Edwards Roberto Moreno	Porsche 962C	Porsche 2.6L Turbo Flat-6	72
53	C1	25	C.A.M.S.	Dudley Wood John Cooper Barry Robinson	Grid S2	Porsche 2.9L Turbo Flat-6	10
-	C1	39	Uchida Dome Racing Team	Eje Elgh Stanley Dickens	Dome RC83	Ford Cosworth DFL 3.9L V8	Did Not Start

• Najboljši štartni položaj - #4 Martini Lancia - 3:17.110
• Najhitrejši krog - #4 Martini Lancia - 3:28.900
• Razdalja - 4900.276 km
• Povprečna hitrost - 204.178 km/h