Nikolaos Delagrammatikas (, born 1853) was a senior Greek Army officer who fought in the Greco-Turkish War of 1897 and the Balkan Wars of 1912–1913. He was born in Chalkis in 1853, and enlisted in the Hellenic Army as an NCO. 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. During the 1897 war he was a Captain, and distinguished himself through his bravery in the Battle of Velestino, earning a field promotion. 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 two battalions and an irregular volunteer corps to the cap