Claude Auguste Court (24 September 1793 – January 1880) was a French soldier and mercenary.
He was hired by Maharaja Ranjit Singh of Punjab in 1827 to organize and train the artillery. He was promoted to the rank of general, and served as one of the leading European officers in the Punjab Army
Court was born at Saint-Cézaire-sur-Siagne, France, on 24 September 1793. He was educated at the Ecole Polytechnique in Paris.
In 1813, he joined the French army. After Napoleon's defeat in the Waterloo in 1815 he was dismissed from service. He left France in 1818 for Baghdad and joined the Persian forces which were trained at Kermanshah by a handful of ex-officers of Napoleon's army including Jean-Baptiste Ventura. While in Persia, he met Paolo Avitabile, another Neapolitan adventurer, and together they travelled on to Lahore reaching there in early 1827.
Maharaja Ranjit Singh gave Court employment in the artillery befitting his talents and scientific attainments. Court was responsible for the training of artillerymen, the organization of batteries and the establishment of arsenals and magazines on European lines. The Maharaja had his own foundries for casting guns and for the manufacture of shells. Court supervised these in collaboration with Sardar Lahina Singh Majithia.
When Court produced the first shell at the Lahore foundry, the Maharaja bestowed upon him a prize of Rs 30,000, and when he produced the fuse, he was rewarded with an award of Rs 5,000. Court received a salary of Rs 2,500 per month, besides a jagir.
He took part in the expedition of Peshawar (1834) and the battle of Jamrud (1837). He was promoted to general in 1836.
Claude Auguste Court continued to serve the State after the death of Maharaja Ranjit Singh. After the death of Kanvar Nau Nihal Singh on 5 November 1840, Court along with Ventura sided with Sher Singh who was installed as Maharaja, with their help in investing the Fort of Lahore, on 20 January 1841.