Ablaincourt-Pressoir (Picard: Ablaincourt-Pressor) is a commune in the Somme department in Hauts-de-France in northern France.

Ablaincourt-Pressoir is found in the Santerre sub-region, where early French Kings made their base, at Noyon.

The town also an international TGV rail station, the Gare TGV Haute-Picardie, nicknamed "The sugar-beet station" named after the predominant crop of the area.

During World War I Ablaincourt et Pressoir were at the centre of the Battle of the Somme.

Data before 1966 in the table and graph below refer to the old commune Ablaincourt, before the merger with Pressoir.