Cinqueux (French pronunciation: [sɛ̃kø]) is a commune in the Oise department in northern France.

The residents of Cinqueux are called Cinquatiens and Cinquatiennes.

Cinqueux has a population of 1 541 as of 2016[update], an estimate from the National Institute of Statistics ad Economic Studies Insee.

The town is located in the arrondissement of Clermont of the department of Oise since 1942.

Cinqueux is part of the communauté de communes des pays d'Oise et d'Halatte created in January 1998.