The Theodoere N183 was a racecar which was designed by Nigel Bennett and entered in the 1983 Formula One season.

The car made its debut at the 1983 Brazil Grand Prix where it was driven by Roberto Guerrero. The car did not qualify for the Brazilian Grand Prix. Its alternate driver was Johnny Ceotto.

The N183 had a Ford Cosworth DFV V8 engine and rode on Goodyear tyres. The car had an alumnium/carbon fibre monocoque chassis. The car weighed 550kg and had a five-speed Hewland FGA gearbox.

The N183 only endured moderate success throughout its racing career.