John Forbes (British Army officer) (1707–1759) was a British Army brigadier general. General Forbes may also refer to:
David Forbes (British Army officer) (1772–1849), British Army major general Edwin Alexander Forbes (1860–1915), California National Guard brigadier general George Forbes, 4th Earl of Granard (1710–1769), British Army lieutenant general George Forbes, 6th Earl of Granard (1760–1837), British Army lieutenant general Gordon Forbes (British Army officer) (1738–1828), British Army general James Forbes, 17th Lord Forbes (1765–1843), British Army general Robert C. Forbes (1917–2002), U.S. Army major general
See also James Forbes-Robertson (1884–1955), British Army temporary brigadier general