The canton of Calais-Nord-Ouest is a former canton situated in the department of the Pas-de-Calais and in the Nord-Pas-de-Calais region of northern France. It was disbanded following the French canton reorganisation which came into effect in March 2015. It consisted of 9 communes, which joined the canton of Calais-1 in 2015. It had a total of 28,468 inhabitants (2012).

The canton is organised around Calais in the arrondissement of Calais. The altitude varies from 0m (Calais) to 154m (Escalles) for an average altitude of 27m.

The canton comprised 9 communes:

• Cantons of Pas-de-Calais
• Communes of Pas-de-Calais
• Arrondissements of the Pas-de-Calais department

50°55′07″N 1°47′37″E / 50.91861°N 1.79361°E / 50.91861; 1.79361