General Mercer may refer to:

• Cavalié Mercer (1783–1868), British Army general
• Charles F. Mercer (1778–1858), Virginia State Militia brigadier general
• David Mercer (Royal Marines officer) (1864–1920), Royal Marines major general
• Hugh Mercer (1726–1777), Continental Army brigadier general
• Hugh W. Mercer (1808–1877), Confederate States Army brigadier general
• Malcolm Mercer (1859–1916), Canadian Army major general
• Roosevelt Mercer Jr. (fl. 1970s–2000s), U.S. Air Force major general

• Auguste Mercier (1833–1921), French Army general
• Denis Mercier (born 1959), French Air Force general

This disambiguation page lists articles associated with the title General Mercer.
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