Aguilcourt (French pronunciation: [aɡilkuʁ]) is a commune in the department of Aisne in the Hauts-de-France region of northern France.

Some 200m north-east of the town is the Grand Marais railway station just outside the border of the commune.

From here trains run north to Guignicourt and south to Loivre.

[3] The Suippe river forms most of the commune's northeastern border.

[3] Parti per pale, one gules a cross bottony of Argent and two of Or a lion of Azure.