Francisco Javier Abadía y Aragorri (1770–1836) was a Spanish lieutenant general and, briefly, minister of war.
Early career
Abadía enlisted as a cadet in the Toledo Infantry Regiment and was garrisoned at Ceuta and Melilla.

In 1793, during the War of the Pyrenees, he saw action as a sub-lieutenant at Toulon and promoted to second lieutenant for his bravery in action. He saw further action at Balaguer, at the strategic bridge at Molins de Rei and at Sant Llorenç de la Muga.

Following the fall of Figueras (28 November 1794), Abadía took part in defending Rosas (28 November 1794 – 4 February 1795), until the governor, General Domingo Izquierdo, ordered the stronghold to be evacuated by sea, and Abadía, at the head of 500 troops, was ordered to oversee the operation. Taken prisoner by the French, he remained in captivity until the end of the war, in July 1795. In 1799 he was promoted to lieutenant.

He saw action during the War of the Oranges, and in December 1802 Abadía was promoted to captain of the newly created Monte Mayor Light Infantry Battalion, where he served together with Captain José de San Martín.
In 1803 Abadía was promoted to lieutenant colonel and transferred to Cadiz where, four years later, he was promoted to colonel.
Peninsular War (1807–1814)
1808
At the outbreak of the war, Abadía fought with the Army of Andalusia's 1st Division, under Reding. At Mengíbar (16 July 1808) he fought hand-to-hand with a French cuirassier officer, whom he took prisoner, and three days later he fought at Bailén. He was promoted to brigadier for these two actions.
In December 1808, while serving under the Marquis del Palacio in the Army of the Centre, Abadía was promoted to field marshal, promotion he turned down.
1809
In January 1809 he fought at Uclés, where the Army of the Centre suffered a major defeat and retreated into the Sierra Morena, where he was incorporated into the Army of La Mancha, under José de Urbina, Count of Cartaojal.
Cartaojal, having established his headquarters at Ciudad Real, was harassed by General Sebastiani's forces at Consuegra (Toledo) and, on withdrawing from there towards the end of March, was heavily defeated at Ciudad Real, Santa Cruz de Mudela y El Viso del Marqués. As a result of these defeats, Cartaojal was forced to relinquish his command of the Army of the Centre to General Venegas, and in April was arrested pending a court martial, together with Field marshal Tomás Moreno and Brigadier Abadía.
Abadía's situation was further complicated when the Junta Superior de Granada accused him not only of fomenting unrest among the troops by his reforms, without ever achieving order and discipline, but also cast doubt over his loyalty due to his friendship with General Tomás de Morla who, having been sent to Madrid to negotiate the capitulation of the capital, had surrendered himself to the French as a prisoner of war and was thereafter branded a traitor by the Cortes.
Following this accusation, the Junta Suprema sentenced Abadía to solitary confinement pending trial and sent him to Úbeda. After a month and a half, given that the accusations against him had not been proven, together with his evident illness, he was allowed to travel to Málaga, pending any possible implication in the court martial against Cartaojal. Meanwhile, that June he was promoted to field marshal for his services during the withdrawal of the Army of Andalusia to Sierra Morena, promotion that was back-dated to 1808, when he had originally turned doen the promotion.
When Andalusia was invaded in January 1810, Abadía hastened to Campo de Gibraltar, and the following May was appointed commander-in-chief of the region where, on several occasions, he was able to prevent the French troops from landing along the coast of Málaga or crossing the Serranía de Ronda.
In March 1810 the court martial against Cartaojal, to which Abadía was finally only called as a witness, was dropped and Abadía was fully absolved of any irregularity.
1811
In January 1811, now with the 4th Army, Abadía saw further action at Sancti Petri and at Barrosa.
In May 1811 Castaños sent Abadía to replace Santocildes as commander-in-chief of the Army of Galicia, now the 6th Army.





