Saint-Martin Church of Cousolre () or St Martin's Church of Cousolre is a church located in Cousolre, in the department of Nord, in the Hauts-de-France region of France.
Built in the 16th century, the Church of Saint-Martin in Cousolre, once part of Hainaut (now in the arrondissement d'Avesnes), was dedicated to Saint Martin.
The relics of Saint Walbert and Saint Bertille were transferred to the Saint Martin church.