| Car Name: | Coloni CN1[1] |
| Category: | World Series by Nissan |
| Constructor: | Coloni |
| Designer: | Enrique Scalabroni |
| Successor: | Dallara SN01 |
| Chassis: | Carbon fiber monocoque |
| Wheelbase: | 2675NaN |
| Track: | Front: 1770NaN Rear: 1750NaN |
| Engine Name: | Mid-engine, longitudinally-mounted, 21NaN1, Nissan SR20, I4, DOHC, NA |
| Power: | NaN0NaN0 @ 8000 rpm[2] @ 6750 rpm |
| Gears: | 5-speed |
| Type: | H-pattern manual or sequential manual + reverse |
| Weight: | 455NaN |
| Tires: | Michelin Speedline 10" Front, 12" Rear |
| Debut: | 1998 Albacete Euro Open by Nissan round |
| Last Event: | 2001 Ricardo Tormo 2nd Open Telefónica by Nissan round |
| Races: | 62 |
| Wins: | 62 |
| Poles: | 62 |
| Fastest Laps: | 62 |
| Cons Champ: | Campos Motorsport (1998, 1999, 2000) Graffin Epsilon (2001) |
| Drivers Champ: | Marc Gené (1998) Fernando Alonso (1999) Antonio García (2000) Franck Montagny (2001) |
The Coloni CN1 is an open-wheel formula racing car, designed, developed, and built Italian manufacturer, team, and constructor, Scuderia Coloni, for the one-make World Series by Nissan spec-series, between 1998 and 2001. It was powered by a naturally-aspirated Nissan SR20 four-cylinder engine, producing between .