The 139th (Nottinghamshire and Derbyshire) Brigade was an infantry brigade of the British Army that saw active service in World War I with the 46th (North Midland) Division.
The 139th (Nottinghamshire and Derbyshire) Brigade was an infantry brigade of the British Army. In 1915 the brigade was numbered the 139th (1/1st Nottinghamshire and Derbyshire) Brigade and the division became the 46th (North Midland) Division.