All-Japan Formula 3 Championship 2003 – Entry list

No.	Driver	Born	Team	Car	Tyres	Races
1	Shinya Hosokawa	1 Apr 1981	Dome Racing Team	Lola-Dome F106 - Mugen Honda	BR	10
1	Koji Yamanishi	11 Oct 1977	Dome Racing Team	Lola-Dome F106 - Mugen Honda	BR	7
10	Rob Austin	1 Feb 1981	Dome Racing Team	Lola-Dome F106 - Mugen Honda	BR	4
11	Yuki Shibata		Dome Racing Team	Lola-Dome F106 - Mugen Honda	BR	13
2	Shinya Sato	8 Jun 1980	Toda Racing	Dallara F302 - Toda Honda	BR	20
3	Naoki Yokomizo	27 Jun 1980	Inging	Dallara F302 - Torii Toyota	BR	20
4	Ronnie Quintarelli	9 Aug 1979	Inging	Dallara F302 - Torii Toyota	BR	20
7	James Courtney	29 Jun 1980	Team TOM's	Dallara F302 - TOM's Toyota	BR	20
8	Wataru Kobayakawa	21 Aug 1981	Team TOM's	Dallara F302 - TOM's Toyota	BR	20
36	Tatsuya Kataoka	1 May 1979	Team TOM's	Dallara F302 - TOM's Toyota	BR	20
12	Paolo Montin	18 Nov 1976	Three Bond Racing	Dallara F302 - Tomei Nissan	BR	20
14	Masataka Yanagida	4 Jun 1979	Three Bond Racing	Dallara F302 - Tomei Nissan	BR	2
18	Takahiro Ogawa	27 Jan 1976	Aim Sports	Dallara F302 - Torii Toyota	BR	10
18	Atsushi Katsumata	1 Sep 1979	Aim Sports	Dallara F302 - Torii Toyota	BR	2
19	Hiroyoshi Shibata	25 May 1982	DTM	Dallara F302 - TOM's Toyota	BR	20
32	Taku Bamba	30 Jan 1982	Now Motorsports	Lola-Dome F106 - TOM's Toyota	BR	19
33	Hiroki Yoshimoto	2 Sep 1980	Now Motorsports	Lola-Dome F106 - TOM's Toyota	BR	19