Nikolaos Delagrammatikas (Greek: Νικόλαος Δελαγραμμάτικας, born c. 1853) was a senior Hellenic Army officer who fought in the Greco-Turkish War of 1897 and the Balkan Wars of 1912–1913.

In 1878, as a sergeant, he fought in the cross-border incursion into Ottoman territory that resulted in the battle of Gribovo, and again in the border skirmishes of 1886, this time as a Second Lieutenant.

[1] During the 1897 war he was a captain, and distinguished himself through his bravery in the Battle of Velestino, earning a field promotion.

[1] On the outbreak of the First Balkan War, he commanded the 7th Infantry Regiment within the Army of Thessaly.

Following the capture of Thessaloniki, he led a mixed force of regular and irregular forces to the capture of the island of Chios, which he accomplished against strong opposition by the Ottoman garrison.